The midwest’s name of the “heartland” is an example of what? a) perceptual region b) formal region c) functional region d) definitive region

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

You could say the relative location of washington, d. c.

Find the area of the shaded region.