<span>Do you mean what elements make up carbohydrates? That would be carbon, hydrogen, and oxygen.
Or, do you mean what do we call the units of a carbohydrate polymer? That would be a monosaccharide.
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The sun--solar energy--is at the heart of the cycle of life, with all the sustenance relationships referred to as the food web. The sun is the ultimate source of energy for animals, but its energy must be harnessed by plants before it can be used by animals. Animals get energy by processing complex foods.
C - Eukaryotes and heterotrophic.
Good luck!
I Believe The Answer Is B. Physical Weathering.
