Absorption of light electron transport leaning to the reduction generation of ATP and conversion of CO2 into carbohydrate
The answer is nutrients.
Nutrients nourish the body by providing it with energy and/or contributing to the body's metabolic processes. Nutrients come from food in the form of carbs, fats, and protein, all of which need to be digested by the body before it can use these nutrients.
The answer is recombination or "crossing over" as some people call it! Hope this helps!