Multiple Choice
The need for extraction of raw metals for making steel has been reduced due to the
A) increase in the number of smelters.
B) increase in minimills.
C) decrease in demand for steel.
D) decrease in amount of ore used to produce high quality steel.
E) increase in legislation and regulation for the extraction of raw materials.
Correct Answer:

Verified
Correct Answer:
Verified
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.
Q11: The continental crust of the earth is
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 _
Q17: What gas is released in the process