What characteristics of early civilizations are evident in southern europe today?

Arid and semiarid subcategories are part of which climate

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

What could the united states of america do to improve their status? name at least 3(ap human geography)