Quartz makes up __________ percent of the Earth's crust.
A) more than 50
B) 32
C) 12
D) 0.1
Correct Answer:
Verified
Q25: Which of the following is not an
Q26: Radon forms by the radioactive decay of
Q27: Which of the following is not a
Q28: Calcite is a/an:
A) silicate mineral.
B) clay mineral.
C)
Q29: Minerals are classified according to their:
A) streak.
B)
Q31: The two most abundant elements in Earth's
Q32: Halite (table salt) is composed of _.
A)
Q33: Hardness is:
A) the resistance of a mineral
Q34: How many chemical elements occur naturally in
Q35: Which physical properties distinguish a particular mineral
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