Question

Help 40 pionts!!!

20. What is so important about subduction of tectonic plates?
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1 point
Earth's crust is melted and destroyed here
Earth's new crust is created here
Earth's mountains are formed here
Earth's crust becomes a mid-ocean ridge here

17. Where might we find the oldest rock on Earth?
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1 point
the center of continents, called cratons
the center of the ocean floor
the lowest mountain on Earth
pushed under a tectonic plate

21. Based on plate movement over a Hot Spot, which of of the Hawaiian Islands below would be the oldest?
Loihi
Hawaii
Maui
Oahu
Kauai

22. In 1915 the German geologist and meteorologist Alfred Wegener first proposed the theory of continental drift, which states that parts of the Earth's crust slowly drift atop a liquid core. The fossil record supports and gives credibility to the theories of continental drift and plate tectonics.Why was the continental drift theory rejected at the time of its proposal?
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1 point
It did not explain the mechanism causing the formation of continents.
It did not explain the mechanism behind the existence of continents.
It did not explain the mechanism behind the discovery of continents.
It did not explain the mechanism causing the movement of continents.

Answer 1

Question 20:

B - Earth's mountains are formed here.

Question 17:

A- The center of the continents, called cratons

Question 21:

E - Kauai

Question 22:

D - It did not explain the mechanism causing the movement of continents.