Its really hard but its science pls help

Explain why the rate of urbanisation is in the way it is between developed and undeveloped 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

Explain the differences between convergent, divergent, and transform fault boundaries.