The population pyramid shown represents a community that has been affected by human migration

In a command economy, the majority of goods and services are provided by the

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

What is the border between layers a through f and layer g called?