What are the factors that can affect the economics of mining?
a. Value of the mineral/metal
b. World demand
c. Cost to extract the pure metal
d. Distribution among counties
e. Both a, b, and c
Ans: e. Both a, b, and c
You might also like to view...
________ is a hazardous waste dumping site in New York, famous as an example of the environmental consequences of indiscriminant disposal of wastes
Fill in the blank(s) with correct word
On a particular day, a place accumulates 15 heating degree days. What was the daily mean temperature on that day?
A) 50°F B) 15°F C) 65°F D) 40°F E) 80°F
Carbon dioxide concentrations in soil are ________ than in the atmosphere because ________
A) lower; transpiration B) lower; plant photosynthesis C) higher; ongoing respiration in the ground D) higher; decay of dead plants and animals
The chemical product produced by a hydrogen fuel cells is ________
A) acid B) carbon monoxide C) water D) nontoxic ash E) carbon dioxide