Documents Water-Pollution

Water Pollution & Cleanup 11 June 2010 Water-Pollution.ppt 1 Water pollution Classes of pollution, pollutants ± Pathogens, parasites ± Oxygen-demanding wastes ± Inorganic…

Documents Water Pollution & Cleanup 11 June 2010Water-Pollution.ppt1.

Slide 1Water Pollution & Cleanup 11 June 2010Water-Pollution.ppt1 Slide 2 Water pollution Classes of pollution, pollutants – Pathogens, parasites – Oxygen-demanding…

Documents Food safety Environmental Pollution. The natural environment encompasses all living and non-living.....

Slide 1Food safety Environmental Pollution Slide 2 The natural environment encompasses all living and non-living things occurring naturally on Earth or some region The concept…