Lab: Plate Boundaries and Movement — Unit test Answers

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Study this image of lithospheric plates.

Question illustration
A
Pacific, Eurasian, and African
B
African, North American, and South American
C
Eurasian, African, and South American
D
North American, Pacific, and African
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Which statement best explains why Earth’s outer core is in liquid form?

A
The iron-nickel alloy melts due to hot temperatures.
B
The outer core has a tarry consistency.
C
This region is less dense when compared to the mantle.
D
This region is under extreme pressure from the weight of other layers.

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