The two most common elements found in Earth's crust are ____.
A) silicon and magnesium
B) sodium and carbon
C) silicon and oxygen
D) silicon and aluminum
Correct Answer:
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Q5: A logical and probable explanation for moving
Q6: The San Andreas Fault separates which two
Q7: Intrusive igneous rocks are _.
A)coarse-grained
B)clasts
C)regolith
D)rapidly cooled
Q8: Hawaii is the result of a(n) _.
A)island
Q9: The Mohorovičić discontinuity _.
A)marks the boundary between
Q11: Alfred Wegener is well known for hypothesizing
Q12: What causes convection in the mantle?
A)volcanic eruptions
B)divergence
Q13: In terms of distance, the thickest internal
Q14: The most common mineral group found in
Q15: Charged particles called _ can be traded
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