Explanation:
I don't think your question is appropriate for me to answer.
The correct answer is:
A. Photosynthetic pigments absorb energy from light.

Polio affects the central nervous system and spinal cord. It can cause muscle weakness and paralysis. Polio is a life threatening condition because it can paralyze the muscles that help you breathe.
The polio vaccine is used to help prevent these diseases in children and adults.
Answer:
so that the genetic variations are not directly exact
Explanation: