Multiple Choice
Which of the following was developed by Mark Hersam at Northwestern University in Chicago?
A) a technique using cyanide instead of mercury to process gold ores
B) thinner aluminum cans that require less raw material
C) carbon nanotubes to replace indium
D) fiber-optic cables to replace copper wiring
E) e-waste recycling
Correct Answer:
Verified
Correct Answer:
Verified
Q62: Weathering and erosion in combination form which
Q63: Explain why minerals are not distributed evenly
Q64: Describe the environmental disaster that occurred at
Q65: On a recent trip to the mall,a
Q66: "Blood diamonds" refer to which of the
Q67: A mining operation extracts copper ore from
Q68: Which of the following is viewed as
Q70: What is the most recycled metal on
Q71: More than half of all of the
Q72: List the main steps generally involved in