Answer:
When a supply becomes a large and know area.
Answer:
Explanation:
The main difficulty of barter system is the lack of double coincidence of wants. In a barter system a person who wants to exchange his goods must find some person who is willing to exchange his commodity with his commodity. Hope that helps!!!
Answer:
c. abiotic factors that are not involved in maintaining a population near its equilibrium.
Explanation:
They are both natural disaster and they are not dependent on the population.
Answer:
Studying the <u>ecosystem</u> of a place helps the geographer to understand how living things
interact with their physical environment.
Explanation: