1.
____ removal, takes off part of the mountain to create a flat surface for extracting coal
2.
the process of restoring land to a natural state
3.
removing salt from ocean water to get fresh water through reverse osmosis
4.
prolonged period of consistently below average rainfall
5.
digging a pit and extracting layers of minerals
6.
amount of water taken that can be returned quickly
7.
when water usage exceeds supply
8.
drilling a well and pumping highly pressurized chemicals in to break down rock
9.
____ leaching, small holes are drilled into site and water based chemicals are pumped
10.
removing minerals from underwater by deepening or widening a waterway
11.
water is not returned quickly or at all due to evaporation, absorption or contamination
12.
removing salt water from ocean water by boiling it and allowing steam to condense
13.
large shafts dug deep into the ground to drill for oil or natural gas
14.
____ mining, removes whole seams of mineral by taking off the surface layers
