Answer:
Nitrogen is taken up by plant roots and combined into organic substances in the plant, such as enzymes, proteins and chlorophyll. ... Plants use the nitrogen in the soil to grow. People and animals eat the plants; then animal and plant residues return nitrogen to the soil again, completing the cycle.
Explanation:
If you mean higher boiling point than it is oil.
The answer is A, reproduction.
Answer:
The continental crust is thicker than the
oceanic crust.
