In 1962, five mute swans escaped from captivity and began a breeding population in Chesapeake Bay. Today, there are over 4,000 mute swans living in the bay. Each year they eat approximately 10. 5 million pounds of aquatic grasses. These grasses provide habitat for waterfowl and crustaceans, improve water quality, decrease erosion, and increase dissolved oxygen concentrations in the bay. The birds are also aggressively territorial, and have been known to trample nests of other birds (e. G. , least terns and black skimmers) and drive away native birds like tundra swans and black ducks from feeding and roosting areas
Answers
Mute swans were first introduced to the Chesapeake Bay in 1962 when five escaped from captivity and started a breeding population. Today, there are over 4,000 mute swans living in the bay, consuming 10.5 million pounds of aquatic grasses annually.
This consumption has both positive and negative impacts on the bay’s ecosystem. On the one hand, the swans’ grazing of aquatic grasses helps to improve water quality, reduce erosion, and increase dissolved oxygen concentrations.
On the other hand, the birds are highly territorial, and have been known to trample nests of other birds, such as least terns and black skimmers, as well as drive away native birds like tundra swans and black ducks from their feeding and roosting areas.
In light of this, the Chesapeake Bay Program has implemented a management plan to reduce the mute swan population in order to protect other birds and maintain the health of the bay’s ecosystem.
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complete question is :
In 1962, five mute swans escaped from captivity and began a breeding population in Chesapeake Bay. Today, there are over 4,000 mute swans living in the bay. Each year they eat approximately 10. 5 million pounds of aquatic grasses. These grasses provide habitat for waterfowl and crustaceans, improve water quality, decrease erosion, and increase dissolved oxygen concentrations in the bay. The birds are also aggressively territorial, and have been known to trample nests of other birds (e. G. , least terns and black skimmers) and drive away native birds like tundra swans and black ducks from feeding and roosting areas.
EXPLAIN.
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process of assembling a protein on the basis of the information in an rna molecule
Answers
Answer:
Translation
Explanation:
mRNA or messenger RNA connects to RNA to send messages with codons or what you described as information and makes the amino acid because 1 codon = 1 amino acid, tRNA or transfer RNA basically brings those amino acids to the ribosome, ribosome links em together and something called a "stop" codon on the mRNA makes it stop and then release the protein they made :D
How are prokaryotic and eukaryotic cells the same
Answers
Answer:
Eukaryotic cells contain many membrane-enclosed, large, complex organelles in the cytoplasm whereas prokaryotic cells do not contain these membrane-bound organelles. ... Only eukaryotes possess a membrane-bound nucleus and membrane-bound organelles such as the mitochondria, golgi apparatus, lysosomes, peroxisomes and ER.
amino acids in solution contain both a negative and positive charge and thus are termed a(n)a. cationb. basec. aniond. acide. zwitterion
Answers
The term used to describe amino acids in solution, which contain both a negative and positive charge, is a zwitterion.
Amino acids are composed of an amino group (-NH2) and a carboxyl group (-COOH) which can ionize in solution. The amino group can donate a proton (H+) and become positively charged, while the carboxyl group can accept a proton and become negatively charged.
Therefore, amino acids in solution can have both a positive and negative charge, making them a zwitterion.
Amino acids in solution are considered to be a zwitterion due to the presence of both a positive and negative charge.
Amino acids are the building blocks of proteins, and they are composed of an amino group (-NH2), a carboxyl group (-COOH), and a side chain (R-group) which varies in structure among different amino acids. In solution, amino acids can exist in different forms depending on the pH of the solution.
At a low pH (acidic), the amino group tends to hold onto its proton and remain positively charged, while the carboxyl group donates its proton and becomes negatively charged.
This results in the amino acid having a net positive charge, and it is referred to as a cation.
At a high pH (alkaline), the carboxyl group tends to hold onto its proton and remain neutral, while the amino group donates its proton and becomes negatively charged. This results in the amino acid having a net negative charge, and it is referred to as an anion.
However, at a pH around 7 (neutral), the amino group and carboxyl group tend to donate and accept protons in equal amounts, resulting in the amino acid having both a positive and negative charge. This form is known as a zwitterion.
Therefore, amino acids in solution contain both a negative and positive charge, and thus are termed a zwitterion.
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the population projection technique that allocates a projected population expansion to subregional areas is called:
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The population projection technique that allocates a projected population expansion to subregional areas is called shift share approach.
What is population?
A community's inhabitants who belong to the same species. A population's makeup is influenced by things like density, sex ratios, birth and death rates, immigration, and emigration.
What is sub region?
A biogeographic region's major division. subregional.
Therefore, the population projection technique that allocates a projected population expansion to subregional areas is called shift share approach.
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Where in the United States is there measurable evidence that the continents are moving relative to one another.
Answers
Answer:
the san Andreas fault line
Explanation:
United States is there measurable evidence that the continents are moving relative the san Andreas fault line.
Where is United states?The United States, sometimes known as the United States of America, commonly referred to as America, is a federal republic with 50 states in North America.
The 48 contiguous states that are located in the central latitudes of the continent are joined by Hawaii, an island state in the center of the Pacific Ocean, and Alaska, a state at the far western end of North America.
The conterminous states are encircled by Canada to the north, the Atlantic Ocean to the east, the Gulf of Mexico and Mexico to the south, and the Pacific Ocean to the west.
Therefore, United States is there measurable evidence that the continents are moving relative the san Andreas fault line.
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ASSIGNMENT 2.1.2. Give the numbers and names of the places (regions) where Chlorophyll-containing cells occur. 2.1.3. In which of the places in question 2.1.2 does most photosynthesis occur? 2.1.4. How is the part named in question 2.1.3. structurally adapted for process of photosynthesis? 2.1.5. Give the number and name of the tissue that transports the prod of photosynthesis to the rest of the plant. E.1.6. Name the components of tissue in question 2.1.5.
Answers
2.1.2. The numbers and names of the places (regions) where Chlorophyll-containing cells occur are:
1. Epidermis2. Mesophyll3. PhloemWhat is the parts for photosynthesis?2.1.3. The mesophyll is the primary site of photosynthesis in plants. The mesophyll is a layer of cells that lies between the epidermis and the phloem. The mesophyll cells contain chlorophyll, which is the green pigment that captures sunlight and uses it to convert carbon dioxide and water into oxygen and glucose.
2.1.4. The mesophyll cells are structurally adapted for photosynthesis in several ways. First, the mesophyll cells are packed with chloroplasts, which contain chlorophyll. Second, the mesophyll cells have a large surface area, which allows them to absorb more sunlight. Third, the mesophyll cells have a thin layer of cytoplasm, which allows for the rapid diffusion of gases and nutrients.
2.1.5. Phloem
The phloem is a vascular tissue that transports food and nutrients throughout the plant. The phloem is made up of two types of cells: sieve tubes and companion cells. Sieve tubes are long, thin cells that are connected by small pores. Companion cells are smaller cells that are attached to sieve tubes. Companion cells help to provide energy and support for sieve tubes.
2.1.6. The components of the phloem tissue are:
Sieve tubesCompanion cellsPhloem parenchymaPhloem fibersFind out more on photosynthesis here: https://brainly.com/question/19160081
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challenges faced by teenage pregnancy
Answers
Answer:
Teenage pregnancy can present a number of challenges for the teenage mother, the father, and their families. Some of the common challenges include:
Education: Teenage mothers may find it difficult to continue their education, as they may have to take time off to care for their child. This can make it more difficult for them to complete their studies and find employment later on.Financial : Teenage mothers are often financially dependent on their parents or government support, and they may struggle to provide for their child on their own.Health: Pregnancy and childbirth can be risky for teenage mothers, as their bodies may not be fully developed to handle the physical demands of pregnancy.Social: Teenage mothers may face judgement and rejection from their peers, family members and society in general. This can make it difficult for them to form supportive relationships, which can be important for their emotional well-being and the well-being of their child.Emotional: Teenage mothers may experience a range of emotions including anxiety, depression, and stress during and after the pregnancy. They may also feel guilty, overwhelmed, or isolated.Relationship: Teenage mothers may find it difficult to maintain a healthy relationship with their partner or the father of their child. This can be due to lack of maturity, financial strain, social pressure and other factors.It's important to note that these challenges vary by individual, culture and context. And those who are facing teenage pregnancy should have access to support, information and education to help them navigate the challenges they may face.
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2. Deep-ocean ____, ____, and ____, are created by convergent boundaries of ocean
and ocean crust.
Answers
Deep-ocean trenches and volcanic arcs are created by convergent boundaries of ocean and ocean crust.
What are convergent boundaries?A collision between two plates made of oceanic lithosphere is called an oceanic-oceanic convergent boundary. One of the plates will nonetheless subduct beneath the other despite the fact that this boundary involves the same kind of lithosphere.
What is ocean crust?Oceanic crust is the outermost solid layer of the tectonic plates beneath the oceans that make up most of the Earth's surface. Its peculiar basaltic composition is characterized by rocks with relatively low potassium and other highly incompatible trace element concentrations (those typically excluded from minerals that comprise the mantle).
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what is the link between parkinson's disease and stem cell research? parkinson's disease occurs because of lack of stem cells. studies with rats have shown how stem cells encourage the progressive loss of dopamine-producing cells associated with parkinson's disease. researchers have managed to generate induced pluripotent stem cells, which may differentiate into dopamine-producing neurons. patients with parkinson's disease produce a particularly promising type of neuronal stem cell that may be used to treat other neurodegenerative disorders.
Answers
As has been said, the main goal of stem cell therapies is to cure the motor symptoms of Parkinson's disease (PD). They won't have any disease-modifying effects and won't cure the main non-motor symptoms, which in certain people can be extremely crippling.
Parkinson's disease is a chronic condition that affects both the neurological system and the bodily components that are under the control of the nervous system. Symptoms emerge gradually. The initial sign could be a slight shake in just one hand.
The substantia nigra, a region of the brain, loses nerve cells, which results in Parkinson's disease. Dopamine is a neurotransmitter that is made by cells in the brain in this region of the brain.
Parkinson's disease (PD) seems to be the second most common neurological ailment in the US, after Alzheimer's disease. However, an estimated five and ten percent of those with PD are thought to be between the ages of 5 and 60.
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artificial opening between the urinary bladder and aspects of the large intestine a. bph (benign prostatic hyperplasia) - normal kidney that fails to ascend into the abdomen but remains in the pelvis b. urinary incontinence - age-associated enlargement of the prostate gland c. ectopic kidney - large stone that grows and completely fills the renal pelvis d. vesicocolonic fistula - fusion of the kidneys during development of the fetus e. staghorn kidney stone - constant or frequent involuntary passage of urine f. horseshoe kidney
Answers
Option d is Correct. The kidneys will fuse together during the development of the fetus through an artificial hole between the urine bladder and portions of the large intestine.
During a cystostomy, a tiny tube is surgically inserted into the bladder through the lower abdominal skin. The tube enables your bladder to empty its contents into a bag outside of your body.
Overflow incontinence associated to prostate disorders is more common in men with prostate issues. Small amounts of urine can leak out when you urinate due to conditions like prostate cancer or benign prostatic hyperplasia that restrict the urethra.
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Option d is Correct. The kidneys will fuse together during the development of the fetus through an artificial hole between the urine bladder and portions of the large intestine.
During a cystostomy, a tiny tube is surgically inserted into the bladder through the lower abdominal skin. The tube enables your bladder to empty its contents into a bag outside of your body.Overflow incontinence associated to prostate disorders is more common in men with prostate issues. Small amounts of urine can leak out when you urinate due to conditions like prostate cancer or benign prostatic hyperplasia that restrict the urethra.The term "Vesicocolonic fistula" refers to an artificial opening between the urine bladder and portions of the large intestine. A vesicocolonic fistula is a connection between the urine bladder and the large intestine that is abnormal. This can be caused by a number of causes, including prior surgery.
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Which of the following does not rely on mechanoreceptors
Answers
Answer:
A. Smell
Explanation:
Mechanoreceptors are known to primary sensory structures. Their function is to provide information about the mechanical characteristics of the internal and external environments. These mechanoreceptors usually detect stimuli such as pressure, vibration, sound and touch from the internal and external environments.
Smell does not rely on mechanoreceptors but rather rely on olfactory receptors.
Answer:
Actually it's smell AND sight.
Explanation:
Got it wrong...
What is a “shared derived character”?
Answers
Answer:
A shared character is one that two lineages have in common, and a derived character is one that evolved in the lineage leading up to a clade and that sets members of that clade apart from other individuals.
Answer:
A shared character is one that two lineages have in common, and a derived character is one that evolved in the lineage leading up to a clade and that sets members of that clade apart from other individuals. Shared derived characters can be used to group organisms into clades. For example, amphibians, turtles, lizards, snakes, crocodiles, birds and mammals all have, or historically had, four limbs. If you look at a modern snake you might not see obvious limbs, but fossils show that ancient snakes did have limbs, and some modern snakes actually do retain rudimentary limbs. Four limbs is a shared derived character inherited from a common ancestor that helps set apart this particular clade of vertebrates.
an ulcer, or painful tear in your stomach lining, provides stimulus for your:
(hint: its a type of Receptor :/)
Answers
Answer: nociceptors
Explanation:
These are the receptors responsible for responding to pain. I took the test and this was correct. Good luck!
An ulcer, or painful tear in your stomach lining, provides stimulus for any pain is the mechanism through the neuro transmission. The receptors that are responsible are nociceptors.
What is stimulus ?Stimulus is the external activity to which body reacts as per the message recieved by the brain and the mechanism is carried via neurotransmission.
Nociceptors are the receptors that are responsible for any kind of pain and these receptors are responsible for the painful activity and any kind of damage that has been done in any lining or even in any painful activity along with the ulcers as well.
Nociceptors mechanosensitive, mechanothermal nociceptors and polymodal receptors that are responsible to various activities as per the desired function to them.
There is a difference between pain and nociception where pain is the painful activity and the nociception is the damage of any lining and any kind of tissue rupture.
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what is the percentage of calories were absorbed by your system??? Helpppp
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Fill in the steps of transcription and translation from protein synthesis.
*** Then put a TSC(transcription) or a TSL(translation) on the line next to the corresponding step.
Answers
Answer:
TSC 1. The DNA molecule unwinds.
TSC 2. The mRNA nucleotides attaches.
TSC 3. The mRNA leaves and goes to the Ribosomes.
TSC 4. The DNA rewind/zips back up.
TSL 5. The tRNA gathers the amino acids from the cytoplasm
TSL 6. The DNA assembles the amino acides into a protein!
Explanation:
2. The first codon is being read
hi pls help i’ll give brainliest
Answers
Answer:
The third choice.
Explanation:
It is near the Orion Arm and extremely far from the center. Although I don't know about the "tip"
what do i have to draw?
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The afflicted man and the purebred female are depicted in a pedigree chart that displays the potential genotypes of their progeny.
A pedigree reveals the ties between members of a family and identifies those who share certain genetic pathogenic features, illnesses, and vital position with other members of the family. A pedigree can be used to determine how illnesses are passed down within a family.
A pedigree animal is thought to be of high quality since it is derived from animals that were all the same breed.
The phrase is frequently used to describe a purebred dog's pedigree in the animal world.
The image of the pedigree is attached below.
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One way carbon dioxide enter the atmosphere
Answers
by burning fossil fuels
On the cellular level, what causes cancer?
A. cells produced with DNA
B. accelerated cell death
C. out-of-control cell growth and division
D. defective cell membranes
Answers
Answer:
A
Explanation:
explain how living in a complex social group might select for increased cognitive abilities.
Answers
Living in a complex social group may select for increased cognitive abilities because it requires individuals to navigate and adapt to the complexities of social relationships and dynamics. This can include recognizing and responding to social cues, managing relationships, and coordinating group activities.
One example of how living in a complex social group can select for increased cognitive abilities is through the development of theory of mind. Theory of mind is the ability to understand that other individuals have their own thoughts, beliefs, and desires, and to predict their behavior based on this understanding. This ability is critical for successful social interactions and is thought to be selected for in complex social groups.
Another example is the development of social learning and cultural transmission. Social learning is the ability to learn from observing the behavior of others, and cultural transmission is the passing down of information and behaviors from one generation to the next. These abilities are important for adapting to changing social and environmental conditions and are thought to be selected for in complex social groups.
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Photosynthesis transforms blank into chemical energy by blank sugars. Cellular respiration releases the blank from food by blank sugars
Answers
Photosynthesis and Cellular respiration, both cellular processes are important for life, however, we need to understand what happens to confirm this information....
PhotosynthesisMost life on Earth depends on photosynthesis. The process is carried out by plants, algae, and some types of bacteria, which capture energy from sunlight to produce oxygen (O2) and chemical energy stored in glucose (a sugar). Herbivores then obtain this energy by eating plants, and carnivores obtain it by eating herbivores.
Inside the plant cell are small organelles called chloroplasts, which store the energy of sunlight. Within the thylakoid membranes of the chloroplast is a light-absorbing pigment called chlorophyll, which is responsible for giving the plant its green color. During photosynthesis, chlorophyll absorbs energy from blue- and red-light waves, and reflects green-light waves, making the plant appear green.
Cellular respirationCellular respiration, the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water.
One objective of the degradation of foodstuffs is to convert the energy contained in chemical bonds into the energy-rich compound adenosine triphosphate (ATP), which captures the chemical energy obtained from the breakdown of food molecules and releases it to fuel other cellular processes.
With this information, we can say that photosynthesis transforms solar energy into chemical energy through sugars. Cellular respiration releases energy from food through sugars.
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________ REGULATES WHAT ENTERS AND LEAVES A CELL
HELP
Answers
Answer:
The cell membrane
In what ways do humans rely on healthy ecosystems? Use the words "Natural Resources" and "Ecosystem Services" in your answer.
How does the loss of biodiversity impact ecosystem health?
Explain the main causes of biodiversity loss.
Answers
Answer:
Due to needs of resources.
Explanation:
Humans rely on healthy ecosystems because human needs resources such as food, clean water, disease regulation and climate regulation etc which can be provided by the ecosystem. If the ecosystem is healthy, human can harvest or get more resources from the ecosystem. The biodiversity present in the ecosystem makes the ecosystem healthy and is responsible for the presence of more resources so loss of biodiversity greatly impact ecosystem health. Climate change, pollution, destruction of habitats and invasive species are the main causes of loss of biodiversity in the ecosystem.
What is the probability of getting the same numbers on 3 dice when they are thrown simultaneously?
Answers
Answer:
So, assuming the dice are 'fair' (that each of the six numbers has a probability of 1/6 of showing up on each of the dice), there is a probability of 1/36 that all three dice will show the same number.
Explanation:
The total points scored in a basketball game can be calculated using the expression 3c + 3.
If c = 41, how many points total were scored?
points
Answers
In the expression with the given value of c, which is 41, we find that the total points scored in the game is 126.
To calculate the total points scored in the basketball game, we substitute the value of c, which is 41, into the expression 3c + 3.
By substituting c = 41 into the expression, we have:
3(41) + 3 = 123 + 3 = 126
Therefore, the total points scored in the basketball game is 126.
The expression 3c + 3 represents the number of points scored in the game. The term 3c represents the points scored per basket, where c represents the number of successful baskets. The Coefficient 3 indicates that each basket contributes 3 points to the total score. The constant term 3 represents any additional points, such as free throws or penalties, that are added to the total score.
By evaluating the expression with the given value of c, which is 41, we find that the total points scored in the game is 126.
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Try again. Your carrying capacity line should be a horizontal flat line because it represents a
single number. It should intersect the y-axis at the highest population of bacteria the petri
dish can support.
Draw a line to estimate the carrying capacity of the petri dish. To draw a line, click two points
on the graph. Afterwards, drag and drop your two points to edit your line. The coordinates for the
two points will be shown in the table below the graph.
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I dont know why di baman ako
explain how hybrid breakdown maintains seperate species even if fertilization occurs
Answers
When two different species interbreed and produce hybrid offspring that are less fit or have reduced fertility, hybrid breakdown helps to maintain separate species even if fertilization occurs between them
Hybrid breakdown is a biological phenomenon that occurs .When two different species interbreed, their genetic material can mix and create new combinations of genes that may not be compatible with each other. In the first generation of hybrids, these genetic incompatibilities may not be immediately apparent, and the hybrids may be healthy and fertile. However, in subsequent generations, genetic incompatibilities may accumulate and lead to reduced fitness or sterility.Reduced fitness or sterility in hybrids is a result of genetic incompatibilities that cause problems during development, reproduction, or survival. For example, a hybrid may have difficulty in finding a mate of the same species, or its offspring may have reduced viability or fertility. As a result, hybrid offspring are less likely to successfully reproduce and pass on their genes to the next generation, thus preventing gene flow between the two species. The phenomenon of hybrid breakdown therefore serves as a mechanism that helps to maintain separate species by limiting the gene flow between them. Even if hybridization occurs, the resulting hybrids may have reduced fitness or sterility, which reduces their chances of producing viable offspring and contributing to the gene pool of either parental species. This helps to maintain genetic and reproductive isolation between species, allowing them to continue evolving separately and forming distinct genetic lineages.
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Hybrid breakdown is a post-zygotic reproductive barrier that can occur when two different species interbreed and produce hybrid offspring. It involves the breakdown or weakening of hybrid offspring in subsequent generations, which ultimately leads to the separation of the two species.
In the first generation, the hybrid offspring may be healthy and viable, but in later generations, problems may arise. In hybrid breakdown, the hybrid offspring of the first generation are fertile, but their offspring (the second generation) are either infertile or exhibit reduced fitness. This can be due to the expression of recessive genes that were previously hidden in the parental species or the accumulation of mutations in the hybrid genome. As a result, the hybrid population cannot produce viable offspring and therefore cannot interbreed with either parental species. This ensures that the two species remain separate and maintain their distinct genetic identities. In summary, hybrid breakdown is a mechanism that can maintain the separation of two species even if fertilization occurs. It acts as a post-zygotic barrier to prevent the hybrid offspring from producing viable offspring, which ultimately prevents the two species from merging into a single gene pool.
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the cells in this part of a plant transport water and nutrients throughout the plant. want is the most likely structure of specialized cells whose function it is to transport water and nutrients throughout a plant.
Answers
Answer:
Vascular tissue
Explanation:
At birth, Himalayan rabbits are usually white over their entire bodies. But when parts of their bodies reach temperatures below 35°C, a pigment that causes these parts to turn black is produced.
Which of the following is the most likely cause of this?
Responses
Answers
Gene expression that is regulated by temperature.
A pigment is a fabric that adjustments the shade of reflected or transmitted light because the result of wavelength-selective absorption. In different words, it's a substance that appears a sure colour because it selectively absorbs certain wavelength of light.
Pigments are the compounds added to substances to give them coloration. This deceptively simple software has shaped our perception of the world via artwork, style, and even laptop presentations and medication. Pigments are utilized in paints, inks, plastics, fabric, cosmetics, and food.
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Which characteristic should describe all evidence collected by a scientist?
Answers
Answer:
creativity, curiosity, Logical