D because they help in photosynthesis to make food for plant
Answer:
it's answer a
carbohydrates
Explanation:
a carbohydrate (e.g. starch, cellulose, or glycogen) whose molecules consist of a number of sugar molecules bonded together.
A list of the main fossil fuels are - coal, natural gas, oil, petroleum, and liquefied petroleum gas. Hope this helps <span />
