The energy-rich compound needed by organism is : Carbohydrates
Carbohydrates consist of the combination of the existing Carbon, Hydrogen, and Oxygen alone.
For human, The source of carbohydrates could be found in almost every food, but the huge amount could be found in rice, potato, corn, cassava, oatmeal, etc
hope this helps
I believe the correct answer to the question is D. This answer choice makes the most sense given the context. Also, since RNA is less stable than DNA, it mutates more often.
Environment. None of the others make any sense. :)
This is straight from google "<span>During photosynthesis, a plant is able to convert solar energy into a chemical form. It does this by capturing </span>light<span> coming from the </span>sun<span> and, through a series of reactions, using its energy to help build a sugar molecule called glucose. Glucose is made of six </span>carbon atoms<span>, six </span>oxygen atoms<span>, and twelve </span>hydrogen<span> atoms."</span>