Pollution and environmental protection 346 bot

Pollution and contaminants: Definition of terms - types of pollutants: biologically degradable pollutants, not degraded - toxic contaminants.
Patterns of pollution: air pollution, water pollution, radioactive contamination, contamination of solid residues, pesticides pollution ,Soil pollution , heavy metal pollution , Food pollution .
Air pollution, the main sources, types of air pollutants (gas, atoms or molecules ... etc) in the control of air pollution and Acid Rain.
- Water pollution: the nature of water pollution, the types of impurities in the water,
micro-nutrients in the water and oxygen in water organisms, chemical detergents, algae in the water, industrial waste in water .