Recycling which of the following produces an energy savings of 96% versus processing it from
metallic ore?
a. Aluminum
b. Steel
c. Copper
d. Glass
e. Plastic
E
You might also like to view...
A sound wave is a
A) longitudinal wave. B) transverse wave. C) standing wave. D) shock wave. E) none of the above
How do stalagmites enter into the debate on global warming? What will be an ideal response?
During the last glaciation, a large tongue of glacial ice occupied Lake Michigan for thousands of years. How, several thousand years after the retreat of the ice, an emergent coastline is developing along part of the lake
What geologic process is creating an emergent coastline in Lake Michigan? A) Lake levels are falling. B) Rebound of a depressed crust. C) Subsidence of the land surface around the lake. D) Accumulation of dunes on the beach.
Explain the Milankovitch Theory. What will be an ideal response?