Around which of the following major historical periods did earth's population begin to rapidly rise? a. the classical period b. the industrial revolution c. the middle ages d. the computer revolution

In stage 2 farmers used the land primarily to grow food for their families and their small communities.

Migrant workers who fill employment needs in their host country often send remittances to their home countries

Which ecosystem best fits the characteristics listed below? which ecosystem best fits the characteristics listed below? ii. seasonal migrations of millions of wildebeests, zebras, and elephants iii. large numbers of predators, such as lions iv. acacia trees and grasses a. the congo rainforest b. the african mangroves c. the serengeti grasslands d. the sahel