Test and Improve
Part A
Janelle placed a thermometer in the plastic bag in her oven, and Corey placed a thermometer underneath the
plastic wrap in his oven. They placed their ovens out in the Sun for one hour. At the end of the hour, they recorded
the temperature in each oven.
Solar Oven
Janelle's cone oven
Corey's shoe box oven
Final Temperature (°F)
148
112
Identify the design that worked better. Was your prediction correct? Why do you think this design got hotter than
the other?
Answers
The better design is that of Janelle in which the thermometer was put in the plastic bag in her oven.
Which design would work better?We know that the oven is a device that was designed for the purpose of heating a substance. The heat would move all through the substnace thw we want to heat. In this case, we are usng a plastic to put the material that we want to heat.
It is natural that if we put the thermometer inside the plastic bag of underneath the plastic wrap in his oven, the thermometer that is wrapped in the plastic bag is going to have a better measurement because it can be able to pick the temperature that is right inside the wrap.
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Related Questions
Which of the following is defined as a system in the food production process that falls outside of pre-
determined regulators?
O non-conforming
out of control
O unregulated
O out of compliance
Answers
Explanation:
non-conforming
out of control
Please don't answer if you arent 100%
what is the deepest ocean zone called?
a. abyssal
b. intertidal
c. benthic
d. pelagic
Answers
Answer:
Pelagic
Explanation:
The deepest regions of the sea are Hado pelagic
WHAT ROLE DOES GENETIC VARIATION PLAY IN NAYURAL SELECTION AND THE SURVIVAL OF A POPULATION IN ITS ENVIRONMENT?
Answers
Natural selection is greatly aided by genetic variation since it provides the basis for evolution, enables populations to adapt to shifting circumstances, and raises survival rates.
Is genetic variety a key element in the evolution process?The ability of natural selection to alter the frequency of alleles already present in the population makes genetic variation a crucial factor in evolution.
What function does genetic variation serve in natural selection?Genetic alterations that alter gene activity or protein function can introduce many phenotypes into an organism. The likelihood of a genetic variant being passed on to the following generation increases if a trait is favourable and aids a person in surviving and procreating. (a process known as natural selection).
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Explain how cabbages, earthworms and squirrels contribute to the carbon cycle ?
Answers
The carbon cycle is a complex system in which carbon moves through the Earth’s atmosphere, land, and ocean. Cabbages, earthworms and squirrels all play a role in this cycle.
Cabbages absorb carbon dioxide from the atmosphere and store it in the form of sugar molecules, releasing oxygen back into the air. When these cabbages are eaten by animals, such as earthworms, the carbon is released back into the environment as carbon dioxide.
Squirrels also contribute to the carbon cycle by eating nuts and fruit, which store carbon, and then releasing it back into the atmosphere when they defecate. In this way, cabbages, earthworms, and squirrels are all part of the natural process of the carbon cycle and help to maintain the balance of carbon in the environment.
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What are the pathways of the carbon cycle?
Answers
The pathways of the carbon cycle cellular respiration and all exergonic processes produced in the cell, through which substances oxidize and chemical energy is released.
When chemical energy is released?All exergonic processes produced in the cell, through which substances oxidize and chemical energy is released, are grouped under the name of cellular respiration, but to break down an organic molecule the cells employ, mainly dehydrogenations that can be carried carried out in the presence or absence of atmospheric O2 oxygen.
There are therefore two types of breathing and they are aerobic respiration and anaerobic respiration. The latter also called fermentation. Aerobic respiration (oxidative phosphorylation)
Use molecular O2.It degrades glucose to CO2 and H2OExergonicRecovers about 50% of chemical energyPresent in most organisms.It uses enzymes located in the mitochondria.Therefore, The pathways of the carbon cycle cellular respiration and all exergonic processes produced in the cell, through which substances oxidize and chemical energy is released.
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A corrective subsidy would be used when marginal social benefit is ________ than market demand. This causes the _________ to internalize the externality.
Answers
A corrective subsidy would be used when marginal social benefit is greater than market demand.
This causes the producer to internalize the externality by receiving a subsidy for producing the good that creates a positive social benefit beyond what the market demand would reflect. A corrective subsidy is a payment from a government or other organization to producers or sellers of a good or service in order to make the price lower for consumers and increase the quantity of the good or service produced. This is done when the marginal social benefit of a good or service is greater than the market demand, meaning that the market demand price does not take into account all of the external benefits or costs associated with the good or service.
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What is the best description of the chromosomes by the end of metaphase of mitosis?
The chromosomes reach opposite sides of the cell and begin to be incorporated into two new nuclei.
The chromosome pairs collect in a line across the middle of the cell.
The chromosomes separate at the centromere and begin to move apart.
The chromosomes have coiled and become more compact.
Answers
Answer:
The chromosome pairs collect in a line across the middle of the cell.
Explaination: i have a whole slide show i had to make for science i looked at that
Through what part of a plant leaf does water exit during transpiration?
A stems
B roots
C stomata
D petiole
E flowers
Answers
According to the research, the correct answer is Option C. Through the stomata of a plant leaf does water exit during transpiration.
What is the stomata?It is a small opening or specialized epidermal cells found in the green sectors of plants found in the epidermis.
In this sense, it enables the exchange of fluids and gases with the external environment, regulating transpiration, which are closed when there is an appreciable deficit of water in the plant.
Therefore, we can conclude that according to the research, stomata control transpiration according to the water relations of a plant because they control the output of water.
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calcium is released and sequestered differently in skeletal and cardiac muscles. what is one physiological relevance of cardiac muscle calcium handling?
Answers
Calcium is released and sequestered differently in skeletal and cardiac muscles, this difference is due to the specific properties of the muscle fibers of each muscle.
In skeletal muscle, calcium is released from the sarcoplasmic reticulum (SR) into the cytoplasm in response to an action potential. In cardiac muscle, calcium is released from the SR and also from the extracellular space. This difference in calcium handling is physiologically relevant because in cardiac muscle, calcium ions play a key role in the contraction and relaxation of cardiac muscle fibers. Calcium ions bind to the protein troponin, which then triggers a series of events that result in muscle contraction. The cardiac muscle fibers are able to release calcium ions from the SR and extracellular space, this allows for a more rapid and sustained contraction of the cardiac muscle, which is necessary for the efficient pumping of the blood throughout the body.
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The theory of evolution states that all living things had a single common ancestor.
The translation between mRNA and amino acids is the same for all living things. (For example, the mRNA codon CAG codes for glutamine in all living things.)
Does the second statement support the theory of evolution? Explain why or why not
Answers
Answer:
no it shows that all dna can be the same but not all are exactly alike just like humans
Explanation:
Make sure you understand the pressure-temperature chart used in previous lab as well as lectures and know where on the chart sedimentary rocks form (low temperature and low pressure). 3) Imagine standing on a beach in south Texas. You are standing on sand. If you were able and willing to walk perpendicular to the beach for 10 miles what would expect to be standing: A) Sand sized grains just like those on the beach B) Smaller sand grains C) Larger sand grains D) Some smaller sand grains but mostly silt sized grains E) Silt and mud 4) How cat you distinguish a conglomerate from a breccia? The conglomerate creates more rounded clasts whili breccia has angular clasks:
Answers
However, it is important to note that the pressure-temperature chart used in previous lab as well as lectures and know where on the chart sedimentary rocks form. Conglomerate creates more rounded clasts while breccia has angular clasts.
3.You would expect to be standing on silt and mud-sized grains if you were standing on sand on a beach in south Texas. However, it is important to note that the pressure-temperature chart used in previous lab as well as lectures and know where on the chart sedimentary rocks form. Based on the chart, it is likely that you would be standing on silt and mud-sized grains.
4.Conglomerate creates more rounded clasts while breccia has angular clasts. To distinguish a conglomerate from a breccia, you would need to look at the size and shape of the clasts. Conglomerate clasts are typically rounded and have a smooth surface, while breccia clasts are angular and have a rough surface. Additionally, conglomerate clasts are typically composed of cobbles or boulders, while breccia clasts are typically composed of fragments of other rocks.
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please help will give brainliest
Answers
Answer:
Explanation:
PLEASE HELPP
(NOT SURE IF BIOLOGY)
If a star has a surface temperature of 5,500 kelvin, under which spectral class would the star be classified?
Answers
Answer:
Option 1: G
Explanation:
5,500 kelvin is about the same surface temperature as the Sun, which is classified as a yellow star, that is under the spectral class G.
Please refer to both pictures for more details
How do substrate molecules come into contact with an enzyme's active site?
Answers
Answer:
the enzyme will bind its substrate, and when it does this itll form an enzyme-substrate complex
Explanation:
In a flower, the anther is attached to the filament. what advantage does the filament provide to the anther?
Answers
In a flower, the anther is attached to the filament. The filament provides the following advantages to the anther: It provides support: The filament is a slender stalk that supports the anther.
This helps the anther to remain upright and firm during the process of pollination. It helps in the dispersal of pollen: The anther is the site of pollen production, and the filament helps in the dispersal of pollen. When the anther is ripe, the filament helps in the release of pollen into the air or onto pollinators.
It is the site of vascular tissue: The filament contains vascular tissue, which provides nutrients and water to the anther. This helps in the development and growth of pollen grains.
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Which statement best distinguishes plants and animals as they relate to amino acids?
Plants can synthesize all twenty amino acids. Wymians must eat plants or animals to obtain some of these amino
acids,
Plants can synthesize all twenty amino acids, Humans must eat plants to obtain all of these amino acids,
Plants can only synthesize ten amino acids, Humans synthesize the other ten amino acids.
Plants and humans both synthesize all twenty amino acids. Humans must supplement a few of these by eating
animals
Answers
Answer:
Its B
Plants can synthesize all twenty amino acids, Humans must eat plants or animals to obtain some of these amino acids.
Explanation:
Answer:
A
Explanation:
I just did the quiz and got it right on EDGE 2020
what is the botanical name of milk
Answers
Answer:
Milk of magnesium's scientific name is magnesium hydroxide, and the scientific name for milk of sulfur is precipitated sulfur.
The botanical name of milk is not applicable, as it is not a plant or a plant product. Botanical name is the scientific name given to plants, fungus and algae.
Milk is a nutrient-rich fluid produced by mammals. It is frequently consumed as a source of nutrients and is renowned for having a lot of calcium. Water, lipids, proteins, carbs, vitamins, and minerals are all present in milk in complicated proportions.
There is no particular botanical name for milk in the field of biology, which is the study of plants and their categorization. Different plant species are identified and categorized using botanical names.
Milk lacks a botanical name since it is a byproduct of animals, not plants.
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What is pasteurization, and how is it used?
Answers
Answer:
pasteurization is when any dairy product has each milk particle heating up above a certain amount. Pasteurization successfully removes any possible bacteria in the milk products effectively preventing Illness
In the diagrams below, the circles labeled Canis represent all members of the genus Canis, and the circles labeled
familiaris represent all members of the species familiaris. Which arrangement of circles best illustrates the
relationship between the genus and species of Canis familiaris, the domestic dog?
Answers
Option 1 of circles best illustrates the relationship between the genus and species of Canis familiaris.
Canis familiaris is a species within the genus Canis, which also includes other species such as the gray wolf (Canis lupus) and the coyote (Canis latrans). T8he relationship between the genus Canis and the species Canis familiaris can be illustrated as follows:
The genus Canis is a larger group that includes several different species, such as Canis lupus and Canis latrans.The species Canis familiaris, which is the domestic dog, is a subspecies of Canis lupus (gray wolf).The species Canis familiaris is a smaller group that is a member of the genus Canis.Therefore, the relationship between the genus Canis and the species Canis familiaris can be represented as a larger circle for the genus Canis that includes smaller circles for each species within the genus, with one of those smaller circles being the species Canis familiaris.
What is coyote?
The coyote (Canis latrans) is a species of canid or canine that is native to North America. Coyotes are relatively small compared to some other canids, with a body length of about 1-1.5 meters (3-5 feet) and weighing between 7-21 kilograms (15-46 pounds). They have a distinctive appearance, with a slender build, pointed ears, and a bushy tail.
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several types of leukocytes are collectively called ""phagocytes"". which types are these?
Answers
Examples of phagocytes include neutrophils, macrophages, and dendritic cells.
Phagocytosis, the process of engulfing and eliminating foreign items like pathogens and cellular debris, is a skill that white blood cells called phagocytes are particularly adept at. A typical phagocyte type that frequently responds initially to infections are neutrophils.
They go quickly to the location of inflammation and seize invading microorganisms. A number of organs include larger immune cells termed macrophages, which are crucial for both innate and adaptive immunity.
Pathogens, dead cells, and debris are all phagocytosed by these antigen-presenting cells. They capture antigens and transfer them to T cells, triggering an adaptive immunological response.
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In a hypertonic solution, will the cell membrane swell or shrivel?
Answers
Answer: swell i think
Explanation:
Answer: If a cell is placed in a hypertonic solution water will leave the cell and the cell will shrink.
Explanation:
The nure i caring for a client who had tuberculin kin teting 48 hour ago on admiion to the nuring unit. The nure read the tet reult a poitive. Which action by the nure ha the highet priority?
Answers
If there is a bump of a certain size where the fluid was injected, the test is considered "positive." This means you have tuberculosis germs in your body.
What is the cause of a false positive tuberculosis test?
The following are examples of false-positive reactions: Previous TB vaccination with the BCG vaccine. Nontuberculosis mycobacterium infection (mycobacteria other than M. tuberculosis)
A positive TB skin test or TB blood test only indicates that a person has been infected with TB bacteria. It doesn't indicate whether the person has latent tuberculosis infection (LTBI) or TB disease. Other tests, such as a chest x-ray and a sample of sputum, are required to determine whether the person has tuberculosis.
Therefore, the test is "positive" if there is a certain size bump where its fluid was injected.
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Concerning 'genetic plasticity'? ( Which is NOT TRUE or NOT relevant to this term?) This means a plant can interbreed with other varieties of the species Teosinte has a great deal of genetic plasticity, and this helped in the domestication of corn This is good for potential lines of domestication of that plant, because there will be many choices for cultural selection This means that a plant population has a lot of morphological variability (they can look different) from the same genetic seed stock
Answers
Because of this, there will be a lot of options for cultural selection, which is beneficial for potential lines of domestication of the plants is true. Option B is correct.
Human genetic variation may have an impact on the expression of these plasticity-related events and, consequently, their impact on reducing stroke disability because many of the neural signals that drive plasticity involve activating particular genes.
Because it works at the individual level, plasticity is often praised as a quick-response mechanism that will help organisms adapt and survive in a world that is changing quickly.
Brain plasticity can be broken down into eight fundamental principles. Evidence that various environmental factors, including sensory stimuli, psychoactive drugs, gonadal hormones, parent-child relationships, peer relationships, early stress, intestinal flora, and diet, influence brain development and function.
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Complete question as follows:
Concerning 'genetic plasticity'? ( Which is NOT TRUE or NOT relevant to this term?)
A. This means a plant can interbreed with other varieties of the species Teosinte has a great deal of genetic plasticity, and this helped in the domestication of corn
B. This is good for potential lines of domestication of that plant, because there will be many choices for cultural selection
C. This means that a plant population has a lot of morphological variability (they can look different) from the same genetic seed stock
propose two ways the body temperature of a sick person can be brought down to normal
Answers
What is the genetic material in the chromosomes of an animal's cells? *
Answers
Answer:
DNA is the hereditary material found in the nucleus of eukaryotic cells (animal and plant) and the cytoplasm of prokaryotic cells (bacteria) that determines the composition of the organism. DNA is found in the nucleus of every cell, and it is exactly the same in each cell.
Explanation:
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Answer:
Chromosomes are thread-like proteins present in both animal and plant nuclei. Protein and a single molecule of deoxyribonucleic acid make up each chromosome.
Explanation:
the hormones somatostatin, insulin, and glucagon are all produced by what mixed endocrine/exocrine gland?
Answers
The mixed endocrine/exocrine gland that produces the hormones somatostatin, insulin, and glucagon is the pancreas.
The pancreas, located in the abdominal cavity behind the stomach, is a mixed gland that functions as both an endocrine and exocrine gland.
As an endocrine gland, it secretes hormones directly into the bloodstream. One of the hormones it produces is somatostatin, which inhibits the release of growth hormone, insulin, and glucagon. Insulin and glucagon are vital in regulating blood sugar levels. Insulin helps lower blood sugar by promoting the uptake of glucose into cells, while glucagon raises blood sugar levels by stimulating the breakdown of stored glycogen into glucose.
These hormones are essential for maintaining glucose homeostasis in the body. As an exocrine gland, the pancreas also produces digestive enzymes that are released into the small intestine to aid in the digestion of food.
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(choose multiple answers)
Select all the correct answers.
Scientists observed a rock stratum and discovered some fossils. The image shows the fossils they discovered. What can you interpret from the image?
an illustration showing layers rock with fossils embedded in some rock layers
The dinosaur and the mammoth existed after the trilobites.
The dinosaur and the devonian fish existed before the trilobites.
The trilobites and the devonian fish died before the dinosaur.
The trilobites and the devonian fish were born after the dinosaur.
The early mammoth is older than the trilobites.
Answers
Answer: The dinosaur and the mammoth existed after the trilobites.
The trilobites and the devonian fish died before the dinosaur.
Explanation:
The mammoth and dinosaur are higher layer than trilobites. Trilobites are the oldest since they are on the bottom.
The trilobites and devonian fish are on a lower layer than the dinosaur.
Local weather forecasters often talk about the percent chance for rainfall. What do you think they mean?
Answers
Answer:
They mean how much rain can be put out as a whole for that pacific area for example, if I say that there is a 70% chance of rain and 30% chance of sunlight your most likley going to get rain and barley any sunlight.
Explanation:
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What are the extra parts of the immune response in vertebrates that are adaptations to intracellular pathogens?
Answers
Answer:
The extra parts of the immune response in vertebrates that are adaptations to intracellular pathogens are the production of antibodies, the activation of the complement system, and the production of interferon.
What main factor determines the stages a star will follow after the main sequence?.
Answers
The main factor that determines the stages a star will follow after the main sequence is the star's mass or size.
What is star?An astronomical object known as a star is made up of a bright plasma spheroid that is held together by gravity. The Sun is the star that is closest to Earth. Other stars are also visible at night with the unaided eye, but because to their great distances from Earth, they appear as stationary points of light. Many of the brightest stars have names, and the most notable stars have been grouped into constellations and asterisms. Star catalogues have been put out by astronomers that list the known stars and offer standardized stellar labels.What function does a star serve?Furthermore, stars are crucial because they create life on Earth. The Sun is the most significant since life on Earth wouldn't exist without it. Earth would merely be a rock covered in ice. As an illustration, ancient mariners relied on the stars to assist them navigate at sea.Learn more about star here:
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