Answer:
D
Explanation:
D pretty much sums up most of the paragraph
Its your best option.
Answer:
The rate of a reaction is the speed at which a chemical reaction happens. If a reaction has a low rate, that means the molecules combine at a slower speed than a reaction with a high rate.
D is the answer because carbondioxide and oxygen are both needed for plants or green plants to survive.
I hope it helped
Carbohydrates: glucose (monosaccharides)
Lipids: fatty acids
Nucleic acid: nueclotides
Proteins: amino acids