The rock in Black Canyon, shown below, has bands of light and dark. These bands have different mineral compositions. Which phras
e most likely describes the environment in which the rock formed?
a) Many rivers meeting in one place.
b) Larger rivers getting smashed into pieces.
c) Very high heat and extreme pressure.
d) Various cooling rates after a volcanic eruption.
a) Many rivers meeting in one place.
b) Larger rivers getting smashed into pieces.
c) Very high heat and extreme pressure.
d) Various cooling rates after a volcanic eruption.
2 answers:
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