Author Question: External processes driven by solar energy can create the materials necessary for sedimentary rocks. ... (Read 21 times)

vinney12 · **on:** Jul 16, 2018

External processes driven by solar energy can create the materials necessary for sedimentary rocks.

Indicate whether this statement is true or false.

Question 2

The evidence for the geologic history of plate motions on Earth prior to about 180 million years ago comes entirely from evidence found on continents and not from rocks found in the oceans. Explain why this evidence is restricted to continents.

What will be an ideal response?

aprice35067 · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

This is awesome you took your the time to answer these questions. You have been so helpful.

Answer to Question 2

We have to use evidence that is restricted to continents since there is no oceanic crust older than 180 million years because it has all been subducted.