Steel and chemical industries are major water polluters primarily because they
A) are major users of municipal sewage systems.
B) release runoffs of pesticides.
C) generate large amounts of wastewater.
D) require small amounts of water in the manufacturing process.
E) generate superheated steam.
Question 2
Water polluted by a farmer's poor irrigation control of fertilized lands is an example of
A) nonpoint source pollution.
B) point source pollution.
C) biochemical oxygen demand pollution.
D) municipal sewage pollution.
E) industrial pollution.
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