This diagram is a cross section of the Grand Canyon. Numbers 1 through 10 represent Paleozoic sedimentary rock layers. The unconformity between
the Paleozoic sedimentary rock layers and the Precambrian sedimentary
rock layers represents *

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

In an effort to japan recover from the devastating effects of the 1929 depression, japanese military leaders in the 1930s formed an alliance with nazi germany negotiated more trade treaties with the soviet union closed its doors to western trade adopted a policy of imperialist expansion

How did mercantilist policies european countries build wealth and power