The answer is C. Multiple control groups ensure a reliable result.
Answer:
4
Explanation:
Plants are autotrophs, which means they produce their own food. They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant uses as fuel
Answer:
D. It absorbs photons from the sun and gives energy to electrons.
RNA viruses can copy themselves which is harder for scientists to give an accurate conclusion to solve them.
