There are four major classes of biological macromolecules:
carbohydrates.
lipids.
proteins.
nucleic acids.
Answer:
B.) The total mass of B and C, which are water and carbon dioxide, is equal to the total mass of A and D, which are oxygen and glucose.
Explanation:
The following statements that support the conclusion that photosynthesis follows the law of conservation would be B.) The total mass of B and C, which are water and carbon dioxide, is equal to the total mass of A and D, which are oxygen and glucose. We can conclude this because the law of conservation states that for any transfer of mass, it will always stay the same, meaning that you cannot add to it nor remove from it. Option A would not be correct because the question asked about photosynthesis, and A is describing cellular respiration. Options C and D would also not be correct because when you add up the values in the way that they are listed, it does not sum up to the statement. Here are all of the letter combinations added together, based on the letter choices:
B and C ➡ 372
A and D ➡ 372
A and B ➡ 300
C and D ➡ 444
A and C ➡ 456
B and D ➡ 288
Notice how the first two listed add up to 372. And because this matches option B, that will be your answer.
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A model can help scientist to study the things that are difficult to understand that can not be observed directly. It allows scientists to examine and visualize that might not be accessible physically. All the natural science is based on the models, these are suggested and tested by observations.
The answer to this question would be: <span>B. Polyculture
</span>
Polyculture is the practice to plant two or more different kind of crop in the field at same time. This method is better than monoculture that only plants one kind of crop. Polyculture needs more labor but it can increase the yield of the field and reduce the incidence of disease.
