Mudflows of volcanic ash are referred to as:

a. talus.
b. avalanches.
c. heavings.
d. solifluctions.
e. lahars.


E

Environmental & Atmospheric Sciences

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How wide would an ocean basin be if it formed due to the breakup of a supercontinent 200 million years ago and had an oceanic ridge in the middle that spread at a rate of 2.5 centimeters per year (25 kilometers per million years)?

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