Answer:
photosynthesis is what organisms use to create food and energy. this comes from the sun. and cellular respiration is carbon dioxide that comes from the animal after photosynthesis
Explanation:
The answer is B because it’s burning coal and nutural gas
Answer:
a polymer is a large unit comprised of monomer
Answer:
four billion years ago the earth had a layer of ozone gas
Myofibrillar proteins in the muscles would become most affected by limited nitrogen.
If it's wrong.. I'm sorry.