Answer:
it's A as they r the natural features on Earth
Answer:
Plantation America is the cultural region from Brazil up to the Southeastern United States.
Answer: True
Explanation: the theory of the island biogeography equilibrium modem describes that species have to get to a certain island from somewhere else which is the immigration part and other species have to migrate from the island as they run out of resources which is the extinction part. This theory shows that as the number of immigration increases and a new place is colonized the rate of extinction of species increases because there is more competition and limited resources for these species and vice versa.
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!!!
