The main difference is that there is not a significant reservoir of phosphorous in the atmosphere, while both nitrogen and carbon are found in large amounts in the atmosphere.
How is the concept of civilization a useful construct, and how is it not? It is useful when comparing to civilizations to each other. It is not useful when comparing a civilization and an uncivilized social order. ... Civilizations have a food surplus, city, is specialization of labor, and a social government form.
Answer:
The 40-year-old won't learn the new language as quickly as the 7-year-old
Explanation:
Their brains work differently, the 7-year-old can learn to adapt quicker because of his underdeveloped brain.