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Q15: Using the Mohs hardness scale below,which of
Q21: The late Proterozoic Grenville orogeny is an
Q33: Olympus Mons,the largest known volcano in our
Q34: Which of the following common minerals is
Q41: Columnar joints form when _.<br>A) a lava
Q43: Seafloor spreading<br>A) recycles old oceanic crust.<br>B) recycles
Q48: A mineral property defined as the density
Q53: Ore minerals,such as galena and hematite,tend to
Q57: An iridium-rich layer of clay,glass spherules,and shocked
Q60: Most DNA in the cells of animals