Why does the lithosphere thicken as it moves away from a mid-ocean ridge?
What will be an ideal response?
Answer: Cooling of the asthenosphere will add rigid material to the lithosphere.
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Analyze the plate boundary diagram shown. Assume north is toward the top of the diagram, west to the left, east to the right. Where would you find mountain ranges?
Analyze the plate boundary diagram shown. Assume north is toward the top of the diagram, west to the left, east to the right. Where would you find mountain ranges?
- Near A
- Near B
- Near X
- None of these locations
Why are there different types of volcanoes and different volcanic eruptions?
What will be an ideal response?
Differentiation of planetary embryos results in denser ________ cores and less-dense ________ mantles
A) silicate, non-silicate B) metallic, silicate C) silicate, metallic D) non-metallic, metallic
The replacement of warmer surface water by colder waters from below is referred to as ____
a. drifting b. circulating c. rechanging d. upwelling