Does healthcare affect your family or your community

According to the earth science reference tables, during which geologic time period were the continents of north america,south america, and africa closest together?

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

Based on the information in the graph, what can you conclude about humans in the world in general?