Author Question: Based on the energy-related graph in Figure 1.13 of your textbook, what is the ratio of the amount ... (Read 50 times)

audragclark · **on:** Jul 16, 2018

Based on the energy-related graph in Figure 1.13 of your textbook, what is the ratio of the amount of solar energy reaching Earth's surface to the amount of energy required to drive plate tectonics?

A) 10 000 to 3
B) 3 to 10
C) 10 to 3
D) about 100 to 1

Question 2

What happens at subduction zones?

A) Where plates converge, one plunges into the deeper mantle while the overriding plate experiences volcanic activity and buckling that uplifts tall mountain ranges.
B) Plates slide past one another without creating or destroying lithosphere.
C) Plate edges move away from one another.
D) Huge earthquakes occur constantly.