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A scientist identifies a rock sample as rhyolite. Why did he do so?
Q6: Which of the following is a hypothesis
Q16: It's wise to use the site of
Q22: "The oceanic crust is older than the
Q31: Which of the following is not an
Q37: The higher rocks are uplifted as mountains,
Q42: Which isotope is the least stable?<br>A) Carbon
Q52: Meteorites are called meteoroids when they land
Q60: A geologist looks at a piece of
Q73: The major problem with geologic correlations is
Q77: The ultimate success of an online campaign