Answers
The combustion of fossil fuels generates carbon dioxide, and methane, among other greenhouse gases that cause pollution. Fossil fuels were formed millions of years ago, from the remains of dead plants and animals. Fossil fuels include oil, coal, and natural gas.
we can conclude that the correct answer is:
Answer: The source of energy causes are fossil fuels.Related Questions
Which statement about the Federal Reserve (the Fed) is true?
Unless a person works there, the Fed has little impact on everyday life.
The Fed determines the criteria banks must use to evaluate loan requests.
The Fed serves as the nation's central bank and regulates banking practices.
Because it is independent, the Fed reviews and approves the national budget.
Answers
Answer:The Fed serves as the nation's central bank and regulates banking practices.
Explanation:The Feds regulate banks and who uses that certain bank.
Answer:hey not here to answer but to say hey i miss you and just got out of the
hospital
Explanation:
SPACE
Which of the following is the smallest?
A.
the Universe
B.
the Solar System
C.
the Sun
D.
the Milky Way Galaxy
Answers
Answer:
The sun
Explanation:
largest to smallest they are: Universe, galaxy, solar system, star, planet, moon and asteroid.
and since the sun is a star it would be the smallest
Which process results in the formation of water on the outside of a cold glass of iced tea on a warm day? *
A) boiling
B) freezing
C) condensation
D) evaporation
Answers
There are three plants, A, B, and C. Plant A is placed in a solution of the same solute concentration as that of the plant's cells, plant B is
placed in a solution of a higher solute concentration than that of the plant's cells, and plant C is placed in a solution of a lower solute
?concentration than that of the plant's cells. A cell of each plant is examined under the microscope. Which plant has the most tense cell walls
Answers
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Plant A is present in an isotonic solution; plant B is present in a hypertonic solution; and plant C is present in a hypotonic solution. The most tense cell out of three is cell C, which is present in the hypotonic solution as water goes into the cell.
What is a hypotonic solution?
The cell present in a solution can either take or lose water, and that depends upon the outside solute concentration or water potential. The plant cell A is present in the solution at an equal concentration of solutes, which means that the water potential is the same at both ends, that is, outside and inside, preventing any flow of water.
In plant B, the outside solution has more solutes than the water, so it has less water than that of the cell, and in this case, water will flow from the cell to the outside, resulting in a decrease in cell size. In cell C, the solution has low solutes, which means high water, so in this case, the water will flow from the outside to the inside and make the cell swell and more pressure on the cell wall.
Hence, cell C has a more tense cell wall.
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Can you help me about these 3 questions please
Answers
Answer:
C
B
C
Explanation:
hope its helped ............
Where do the convection currents occur?
Answers
Answer:
In the mantle
Explanation:
They occur in the asthenosphere and mesosphere
Which of these best describes
incomplete dominance?
Answers
Explanation:
When the dominant allele doesy completely cover up the recessive allele and they MIX creating a third phenotype.
Incomplete dominance - dominant allele doesn’t completely mask recessive allele
Organism’s physical appearance shows a mix of both alleles
Compare and contrast the structure of DNA with RNA.
Answers
In most medical procedures, hazardous waste is produced. This waste is usually burned, which can release chemicals lie mercury into the air.
How could technology be best used to solve this problem?
A. Incinerate the waste in areas with low populations.
B. Find a way to trap the mercury before it is released.
C. Reduce the number of medical procedures performed.
D. Stored the waste underground instead of burning it.
Answers
To solve the problem of hazardous waste generated from medical procedures and the release of chemicals like mercury into the air, a combination of technological approaches can be employed.
B. Find a way to trap the mercury before it is released: Implementing advanced filtration systems and scrubbers in medical waste incinerators can effectively capture and contain mercury and other harmful substances. This prevents their release into the environment and ensures their proper disposal.
D. Store the waste underground instead of burning it: Rather than incinerating medical waste, an alternative method involves safely storing it underground in specially designed containers. This approach minimizes the risk of releasing hazardous chemicals into the air and reduces the potential for environmental contamination.
A. Incinerate the waste in areas with low populations: Locating medical waste incinerators in remote or sparsely populated areas can help minimize the exposure of nearby communities to hazardous emissions. This approach ensures that the impact on public health is minimized while still addressing the waste management problem.
C. Reduce the number of medical procedures performed: Implementing strategies to reduce unnecessary medical procedures, optimizing healthcare practices, and promoting preventive measures can effectively reduce the overall volume of medical waste generated. This approach not only mitigates the waste management issue but also has broader benefits in terms of healthcare efficiency and cost-effectiveness.
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Which statement best describes how resources are distributed?
OA. All people and cultures have access to the same resources.
B. Resources are typically used only where they are found.
C. Resources are evenly distributed across the planet.
OD. Some resources are plentiful only in a few areas.
Answers
The best statement of how resources are distributed is D. Some resources are plentiful only in a few areas.
What should you know about the distribution of resources around the world?Resources are not evenly distributed around the world. There are places with way more resources than others. The availability of various resources can vary greatly between regions.
There are countries with more oil wells when others have none. There are countries with diamonds and others with none. Countries and regions rely on trade to gain access resources that are scarce or unavailable in their area.
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Some resources are plentiful only in a few areas. The correct option is D
What is resources ?Resources are the things that people, organizations, or society have access to and may utilize to meet their needs and achieve their desires.
Since resources supply the raw materials for food, clothing, shelter and other necessities of life, they are crucial for human survival and development. They are fundamental to the development of the economy because they may be used to produce goods and services that are required by contemporary society.
Therefore, Some resources are plentiful only in a few areas
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Describe the mechanism of glycolysis in detail
Answers
The process of Glycolysis is a catabolic process in which two molecules glucose goes through a ten- step pathway and yield two molecules of pyruvate . It is a major part of carbohydrate metabolism .
Mechanism Of Glycolysis
The glycolysis is also known as EMP pathway and it is involved in both aerobic and anaerobic conditions .There are two phases in the mechanism of glycolysis in which 5 reactions takes place in each phase and the process of glycolysis takes place in cytosol
Preparatory phase refers to the generation of two molecules of glyceraldehyde 3-phosphate from one molecule of glucose which further goes into the payoff phase . In this phase two molecules of ATP are used and two regulatory enzymes were involved in this reaction .
Payoff phase refers to the further break down of two molecules of glyceraldehyde3-phosphate to two molecules of pyruvate . In this phase four molecules of ATP and two molecules of NADH are generated . In this phase only one regulatory enzyme is involved which is the breakdown of PEP to pyruvate .
Both the phases of glycolysis takes place in the cytoplasm and there are three enzymes that involved in regulating the glycolytic pathway .This process is also known as the catabolic process .
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Feedback interactions with the human bidy are important because
Answers
Feedback interactions with the human body are essential because they play a crucial role in maintaining homeostasis, which refers to the body's ability to maintain a stable internal environment despite external changes.
These feedback mechanisms allow the body to detect and respond to deviations from normal conditions, ensuring that physiological processes remain balanced.
In the human body, feedback interactions typically involve a control system consisting of a sensor, a control center, and an effector. The sensor detects changes in the body's internal environment, such as temperature or hormone levels. The control center receives and processes the information from the sensor, determining the appropriate response. The effector then carries out the response, restoring or adjusting the body's conditions back to the desired set point.
Through feedback interactions, the body can regulate various processes, including body temperature, blood glucose levels, pH balance, heart rate, and hormone secretion, among others. These mechanisms enable the body to respond to internal and external stimuli, ensuring optimal functioning and promoting health.
Without feedback interactions, the body would be unable to detect and correct deviations, leading to imbalances and potentially harmful consequences. Feedback mechanisms are vital for maintaining the stability and overall well-being of the human body.
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Which material undergoes radioactive decay?
Answers
A material undergoes radioactive decay if it has an atom with unequal number of protons and neutrons.
What is an atom?
An atom is defined as the smallest unit of matter which forms an element. Every form of matter whether solid,liquid , gas consists of atoms . Each atom has a nucleus which is composed of protons and neutrons and shells in which the electrons revolve.
The protons are positively charged and neutrons are neutral and hence the nucleus is positively charged. The electrons which revolve around the nucleus are negatively charged and hence the atom as a whole is neutral and stable due to presence of oppositely charged particles.
Atoms of the same element are similar as they have number of sub- atomic particles which on combination do not alter the chemical properties of the substances.
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Which of the following would have the same DNA fingerprints?0000mother and daughterfather and sonNo two people have the same DNA fingerprint.identical twins
Answers
The answer would be No two people have the same.
It is quite known that there are no two people exists who share the same fingerprint with each other. It is a unique characteristic for each person.
Which of the following statements about daughter cells are true? (Select all that apply.)
a.They each contain a nucleus.
b.They each are smaller than the parent cell, but will grow to a full size.
c.They each contain different combinations of the parent cell’s genetic material.
d.They each contain the same genetic material.
Answers
Answer:
a.They each contain a nucleus.
b.They each are smaller than the parent cell, but will grow to a full size.
c.They each contain different combinations of the parent cell’s genetic material.
Explanation:
When a Mother cell divides itself asexually or sexually (typically through the process of Binary Fission or Meiosis or Mitosis) the daughter cells formed inherit the contents and the organnels of the Parent Cell almost equally. This includes the Nucleus and Cytoplasm. The nucleus plays a key role in the development of the Daughter Cells as it directs various processes. Initially, the Daughter cells are smaller than the parent cell due to diversified division but ultimately catch up and grow in the later stages of its life. The daughter cells do contain the same number of chromosomes but may have different sets of them randomly.
The spongy layer of a leaf and the lungs have a similar structure because...
A.) they are made of tissue
B.) they perform a similar job
C.) they belong to only one organ
Answers
Answer:
The spongy layer of a leaf and the lungs have a similar structure because they are made of tissue.
Question 9 of 10
Which three plates touch the South American plate?
Answers
Answer:
South American plate is bounded by African plate in the east, Nazca plate in the west, Antarctic plate and Scotia plate in the south, and Caribbean plate and North American plate in the north.
Explanation:
which three sentences describe ways that droughts harm savanna ecosystems?
Answers
Answer:
b a d
Explanation:
Answer:
A. , C. , D.
Explanation:
Ap3x
The organism shown above belongs to
A. the plant kingdom
B. the protist kingdom
C. the animal kingdom
D. both the animal kingdom and the protist kingdom
Answers
am not totally sure but I think the answer is D
How many pairs of cranial nerves do humans have?
(a) 12 (b) 31 (c) 21 (d) 16
Answers
Answer:
A
Explanation:
correct me if I'm wrong thanks
The graph shows the pressure of an ideal gas as a function of its
volume. According to the graph, increasing the volume from 100 mi to 150
mL-
A: decreases the pressure by 80 kPa
B: decreases the pressure by 160 kPa
C: increases the pressure by 80 kPa
D: increases the pressure by 160 kPa
Answers
Answer:
decreases the pressure by 160 kPa
Explanation:
the graoh shows that if volume increases pressure decreased so automatically c and d are out. If you look at the graph at 200 mL the pressure is at about 150 kPa and at 100 mL its at about 125kPa so estimating + guessing it would decrease by about 160 kPa
In corn, the recessive alleles v (virescent seedlings), pr (red aleurone), and bm (brown midrib) are all encoded by genes on chromosome 5, but not necessarily in the order given. The following progeny are obtained from a cross between a fully heterozygous corn plant and a corn plant having virescent seedlings, red aleurone, and brown midribs:
a. List the parental and double cross over genotypes.
b. What is the gene order?
c. Provide a genetic map of the three loci, including the distances in map units between the gene pairs.
d. Calculate the coefficient of coincidence (C) and the interference (I).
Answers
A- The parental genotype is VvPrBm/vprbm. B- the gene order is v-pr-bm. C- the genetic map of the three loci is v -- 0.003 -- pr -- 0.004 -- bm. D- the interference is: I = 0.999993
A- The parental genotype is VvPrBm/vprbm. The double crossover genotypes are Vvprbm/vprBm and vprBm/Vvprbm.
B. There are 40 recombinant offspring out of a total of 784 offspring. This gives a recombination frequency of 40/784 = 0.051, or 5.1%.
the recombination frequency between v and pr is 2/784 = 0.003, while the recombination frequency between pr and bm is 3/784 = 0.004. Since the recombination frequency between v and pr is lower, we can conclude that v is located closer to pr than to bm. Therefore, the gene order is v-pr-bm.
C. the recombination frequency between pr and bm is 0.004. Therefore, the genetic map distance between v and pr is 0.003 map
The total genetic map distance between v and bm is the sum of the distances between v and pr and between pr and bm, which is 0.003 + 0.004 = 0.007 map units.
The genetic map of the three loci is as follows:
v -- 0.003 -- pr -- 0.004 -- bm
D. the coefficient of coincidence is:
C = observed double crossovers / expected double crossovers
C = 2 / (1.2 x
\( {10}^{5} \)
) = 1.7 x
The interference (I) is a measure of the degree to which one crossover interferes with the occurrence of another crossover nearby.
I = 1 - (observed double crossovers / expected double crossovers)
In this case, the interference is:
I = 1 - (2 / (1.2 x
\( {10}^{5} \)
)) = 0.999993
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The more bonds an atom can make, the mnore likely it is to combine with other aloms in different ways.
Which element is most likely able to make the greatest variety of bonds?
O nitrogen
O hydrogen
O oxygen
O carbon
Answers
Answer:
hydrogen
Explanation:
this is because hydrogen has a valency of 1 thus able to bond with many elements easily
Answer:
your answer is carbon. (D)
Explanation:
carbon can be mixed with MANY things. for example, YOU are mostly made out of carbon. Other things include furiture, clothing, plastics, charcoal, pencil led, diamonds, and gas.
IF YOUR JUST SKIMMING THIS THE ANSWER IS D
1) What is the difference between regular and diffuse reflection?
Answers
Explanation:
Regular reflection happens when light reflects off an awfully smooth surface and forms a clear picture.
Diffuse reflection happens when light reflects off a unpleasant surface and forms a hazy picture or no picture at all.
How do "essential" amino acids differ from other amino acids?
A The human body only needs essential amino acids.
B The human body cannot make essential amino acids.
C The human body can make essential amino acids.
D The human body does not need essential amino acids.
Answers
In ecosystems, plants transform light energy from the Sun into chemical energy when they make sugar. This sugar can then be consumed by other organisms to be used as building blocks for other molecules, such as proteins and fats, or it can be transformed into other forms of energy, such as kinetic energy, when the organism moves.
Which of the following statements is supported by the above information?
A.
Matter and energy can change forms and locations in ecosystems.
B.
Energy can change forms, but only one kind of matter exists.
C.
Matter and energy must always remain in the same form and location.
D.
Matter can change forms, but only one kind of energy exists.
Answers
Following the law of mass conservation and the principle of energy conservation, opion A is correct. Matter and energy can change forms and locations in ecosystems.
What happen with matter and energy in ecosystems?Matter and energy are not created or destroyed in ecosystems. They just move along cycles and flow through different biotic and abiotic structures, changing their state and moving from one form to another one.
According to the law of mass conservation (Antoine Lavoisier- 1785), mass remains constant in any closed system exposed to different chemical and physical processes.
According to the principle of energy conservation (Clausius and Lord Kelvin - XIX century), energy remains constant in a closed system, and under different situations, it can change its state from one form of energy to another one.
In a closed system -like the universe-, mass and energy can not be created or destroyed. They can only transform into other forms when exposed to different processes.
Option A is correct. Matter and energy can change forms and locations in ecosystems.
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uses of biotechnology in washing powder making
Answers
Answer:
Here are some uses of biotechnology in the production of washing powders:
Enzymes: Enzymes are commonly used in washing powders to enhance the cleaning efficiency and remove various types of stains. Proteases, amylases, lipases, and cellulases are examples of enzymes used in washing powders. These enzymes break down protein-based, starch-based, lipid-based, and cellulose-based stains, respectively, into smaller fragments, making them easier to remove during the washing process.
Bio-surfactants: Surfactants are essential components of washing powders as they help to remove dirt and oil from fabrics. Biotechnology allows for the development of bio-surfactants, which are surfactants derived from biological sources, such as bacteria or yeast. These bio-surfactants are more environmentally friendly than traditional surfactants as they are biodegradable and have lower ecological impact.
Microbial Strains: Biotechnology can be used to isolate, characterize, and optimize microbial strains that produce enzymes or bio-surfactants. Microorganisms, such as bacteria and fungi, can be engineered or selected for their ability to produce specific compounds that enhance the cleaning performance of washing powders.
Genetic Modification: Genetic modification techniques can be employed to enhance the properties of microorganisms used in the production of enzymes or bio-surfactants. This allows for the creation of microorganisms with improved characteristics, such as increased enzyme activity or enhanced stability under varying conditions.
Fermentation Processes: Biotechnology facilitates the use of fermentation processes to produce enzymes and bio-surfactants at a large scale. Fermentation involves the controlled growth of microorganisms in bioreactors, where they produce enzymes or bio-surfactants through metabolic processes. This enables the efficient and cost-effective production of these ingredients for use in washing powders.
Explanation:
Helppppp me please
Christiaan Eijkman shared the Nobel Prize in 1929 for the discovery of vitamins. Eijkman went to Java to isolate the pathogen causing beriberi, an illness that appeared to be contagious as it was common in prisons and among ship crews. Eijkman noticed that chickens fed a diet of white rice also suffered from a similar disorder. When the chickens were fed a diet of red rice, the chickens quickly recovered. What can Eijkman safely infer at this point from his observations?
A. Humans with symptoms similar to those of chickens should change their diet.
B.White rice contains little nutritional value for humans and chickens.
C. Beriberi is most certainly not a pathogen.
D. Diet may be the cause of beriberi, but more research is needed.
Answers
Answer:
B because it says when they ate the white rice they had the disorder and when they went and ate the red rice they recovered so i think it would be something due to the white rice
Explanation:
Answer:
its B
Explanation:
Provide a scientific term for ‘breaking down’ of nutrients.
Answers
Answer: DIGESTION
Explanation:the breaking down of nutrients is know as digestion.DIGESTION is the process of mechanically breaking down food into substances for absorption into the bloodstream. Hope this helps!
Which type of biomolecule is responsible for storing information? A. Proteins
B . Lipids
C. Carbohydrates
D. Nucleic acids
Answers
Answer:
D
Explanation:
Among biomolecules, nucleic acids, namely DNA and RNA, have the unique function of storing an organism's genetic code—the sequence of nucleotides that determines the amino acid sequence of proteins, which are of critical importance to life on Earth.
Answer:
D. Nucleic Acids
Explanation:
also what the guy said in comment section