Answers SNHS NV-Environmental Science Week 4: Plate TectonicsQuestion 1

1

AssignmentMultiple Choice

Week 4: Plate Tectonics

Question 1 • SNHS NV-Environmental Science

Which statement explains how convection currents affect the movement of plates?

Answer

A

Gravity pulls one edge of a plate down into the mantle, which causes the rest of the plate to move as well.

B

Heat from Earth’s interior causes lithospheric plates to collide at convergent plate boundaries, causing volcanoes.

C

Heat from Earth’s interior causes currents of hot rising magma and cooler sinking magma to flow, moving the crust along with them.

D

As convection currents drift across the oceans, they bring the pieces of Earth’s crust with them as the supercontinent breaks apart.

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