The structural sphere of Earth that is best described as the rocks and sediment is the .

In the late 1990s, brazil’s poor people protested about crowded cities land distribution mining permits industrial pollution

People make choices about how to use resources.

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