Why are grain size and composition often used to name sedimentary rocks?

A) These are indicators of what type of volcano the rocks came from.
B) These are indicators of how deep within the earth the rocks formed.
C) They are easily observed and easily distinguishable.
D) These are indicators of how deep within the sea the rocks formed.


Answer: C

Environmental & Atmospheric Sciences

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a. true b. false

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How do any of these structures relate to the process of nuclear fusion which is thought to produce the Sun's energy?

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