Where can you find a grid system that uses longitude and latitude lines?

Which factors add to the greenhouse effect and are caused by human activities?

What border separates sonora and chihuahua national border state border physical boundary natural boundary

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