! ! ! pls help !! fast!

The correct answer is - option C.

Explanation:

The represented diagram shows the process of photosynthesis and how carbon dioxide and water are converted to carbohydrates and oxygen with help of light energy.

In this representation, the carbon dioxide comes from the atmosphere and transfer carbon to the cells of the plant or organism (biosphere) performing the photosynthesis in form of carbohydrates. Therefore it is a representation of the role of photosynthesis in transferring the carbon from atmosphere to the biosphere.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.