GEO Test 1

Mesosaurus was considered evidence for continental drift because its fossils were found in-

• North America

• Southern Africa

• Japan

• Russia

• South America

The plutonic version of basalt is ______

• Diorite

• Granite

• Gabbro

• Komatiite

• Peridotite

The crust is-

• Denser than the Mantle

• Less dense than the Mantle

• Is compositionally the identical as the Mantle

• Composed of material differentiated from the Mantle

Which part of the earth is the least dense?

• Inner Core

• Outer Core

• Mantle

• Oceanic Crust

• Continental Crust

Who came up with the Nebular Hypothesis- explaining the formation of the solar system from a cloud of gas and star dust?

• Hess

• Wegener

• Kant

• Darwin

Which parts of the earth make up the Lithosphere?

• Inner Core

• Crust

• Stratosphere

• Outer Core

• Uppermost Mantle

The supercontinent proposed by Wegener was called:

• Laurentia

• Pangaea

• Panthalassa

• Baltica

• Iapetus