Answer:
Nitrogen is a constituent element and is part of many compounds in plants.
Explanation:
Nitrogen is a building block and there is no process in plants that is not affected by nitrogen.
If there is not enough nitrogen in the soil, the growth decreases, the leaves are yellow, pale green, chlorosis occurs, the root is removed, its branching is reduced, the yield and quality of fruits are reduced.
Cause living things can not directly use most of matter which they found in nature. For example carbon, all organism use carbon in complex structure, that is in compound or macromolecule(glucose,fructose,amino acid). we can not directly earn ATP from C which we found in soil/other sources.
A genetic pool is the absolute hereditary variety found inside a populace or an animal categories. A huge genetic stock has broad hereditary variety and is better ready to withstand the difficulties presented by ecological anxieties.
I would say B, because as you can see from the explanation of what a luster is described is. B matches the classifications
A sugar, a phosphate group, and a nitrogen base
