Plate Tectonics Answers

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1
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Which statement explains how convection currents affect the movement of plates?

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.
2
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oceanic-continentaloceanic-oceaniccontinental-continental

A
oceanic-continental
B
oceanic-oceanic
C
continental-continental
3

oceanic-continentaloceanic-oceaniccontinental-continental

A
oceanic-continental
B
oceanic-oceanic
C
continental-continental
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North American PlatePacific Plate South American Plate

A
North American Plate
B
Pacific Plate
C
South American Plate
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African PlateEurasian PlateIndo-Australian Plate

A
African Plate
B
Eurasian Plate
C
Indo-Australian Plate
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Eurasian Plate Indo-Australian PlatePacific Plate

A
Eurasian Plate
B
Indo-Australian Plate
C
Pacific Plate
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North AmericanSouth AmericanEurasianPacific

A
North American
B
South American
C
Eurasian
D
Pacific

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