I believe the answer is research though im not 100% certain.
It led to division of labor
The answer is D. All of the above, as different changes in the environment can lead to many different things.
Answer:
Tropical or temperate zone
Explanation:
It is characterized by strong monsoon influences has a considerable amount of sun a high rate of rainfall and high humidity.
The answer is C The stability allowed aleut and alutiig populations to grow
