Explain how heat can be a source of water pollution.
The most likely source of water polluting pathogens is _______.a.agricultural runoffb.surface runoffc.sewage discharged.mine drainage
Piles of aluminum cans floating at sea would be an example of _______.a.organic pollutantsb.macroscopic pollutionc.pathogen pollutantsd.thermal pollution
More efficient plumbing reduces water pollution by _______.a.using more waterb.using less waterc.using cleaner waterd.using dirty water
Explain how replacing asphalt with gravel or other permeable material can improve water quality.
Explain why reducing surface runoff is the most general way to reduce water pollution.
The untreated sewage discharged by cruise ships is _______.a.blackwaterb.greywaterc.solid wasted.not considered pollution
The most common source of infectious diseases in water supplies is _______.a.algal bloomsb.sewagec.surface runoffd.none of the above
Explain why nonpoint source pollution is a greater threat and hazard than point source pollution.
Discriminate between the immediate and chronic effects of water pollution and explain why chronic pollution is a more serious long term threat.
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