The disappearance of the Aral Sea is attributed to
A) the diversion of water for irrigation.
B) natural variations in rainfall and temperature.
C) human-induced variations in rainfall and temperature from global climate change.
D) increased runoff from the sea.
E) point-source pollution from nuclear power plants.
Question 2
Pollution without a central source of origin is termed
A) air pollution.
B) regional-scale pollution.
C) water pollution.
D) nonpoint-source pollution.
E) a renewable resource.