C i am guessing but i hope this helps
Answer:
A
Explanation:
the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product.
If we cross a homozygous blue oval plant with a homozygous white round plant
P: BBrr x bbRR
The resulting F1 progeny:
F1: BbRr
If we cross BbRr with bbrr
F2: 1/4 blue round plants (250 plants) ¼ blue oval plants (250 plants) ¼ white round plants (250 plants) and ¼ white oval plants (250 plants).
The answer is D BECAUSE WITHOUT ENEGY THE BALANCE WILL NOT BE OK SO IT CAN COMBUST