Multiple Choice
The continental crust of the earth is ________ while the oceanic crust is ________.
A) similar in composition to the outer core;thicker and lighter than the continental crust
B) thicker and lighter than the oceanic crust;similar in composition to the mantle
C) similar in composition to the mantle;thicker and lighter than the continental crust
D) similar in composition to the outer core;similar in composition to the mantle
E) thicker and lighter than the oceanic crust;similar in composition to the inner core
Correct Answer:
Verified
Correct Answer:
Verified
Q6: "Subduction" is the process of a tectonic
Q7: Rocks are _ in the process called
Q8: The physical breakdown of a rock into
Q9: The eruption of a volcano can cause
Q10: Smelting releases metals from ore.
Q12: The need for extraction of raw metals
Q13: Which resource has the highest recycling rate?<br>A)iron<br>B)steel<br>C)tin<br>D)aluminum
Q14: Why is recycling metals an economic benefit
Q15: What is thought to be the cause
Q16: If metals are deposited in streambeds _