The African continent is home to the world's longest river and longest freshwater lake

In what ways has the human population put pressure on the land

What is the approximate circumference of the circle shown below? 12.2 cm

Impressions of tropical swamp plants were observed on rocks in polar regions. the impressions were dark black imprints, which means the fossils are examples of ( 1 ) the fossils tell us that polar regions ( 2 ) ( 1 ) a. carbonization b. mineralization c. trace fossils ( 2 ) a. had tropical plants that can grow in ice b. might have had a diffierent climate in the past c. will have abundent vegitation