Answer:
Geologists use the following tests to distinguish minerals and the rocks they make: hardness, color, streak, luster, cleavage and chemical reaction. A scratch test developed by a German mineralogist Friedrich Mohs in 1822 is used to determine mineral hardness.
Answer:
give them your ticket and luggage
Explanation:
sorry if i got this wrong....
Answer:
2.456 x 10^11
Explanation:
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