Answer:I believe the answer is A
Explanation:
B and C have nothing to do with how the sun helps or is a necessity. D only talks about the life span of the sun not how it is necessary for the earth. A is the only answer that makes sense because it gives examples on how the sun helps the earth as well as human kind.
Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen, A complex set of chemical reactions involving an energy transformation where potential chemical energy in the bonds of "food" molecules is released and partially captured in the bonds of adenosine triphosphate
We are learning about that in my cell biology class.a cytoskeleton is like your muscles because it can contract like muscles which gives the cell shape,strength,and make it divide.
Answer:
C. thymine
Explanation:
Adenine pairs with thymine in DNA and pairs with uracil in RNA.
Hope it helps.
Answer:
Environmental factors that affect plant growth include light, temperature, water, humidity, and nutrition. It is important to understand how these factors affect plant growth and development.
Explanation: