Environmental Biology 10. Chemicals discharged into the air that have a direct impact on the environment are called primary pollutants. These primary pollutants sometimes react with other chemicals in the air to produce secondary pollutants.
composition of atmosphereAir pollution is when unwanted chemicals, gasses, and particles enter the air and the atmosphere causing harm to animals and damaging the natural cycles of the Earth. Natural Causes of Air Pollution Some sources of air pollution come from nature. These include eruptions of volcanoes, dust storms, and forest fires. Human Causes of Air Pollution Human activity is a major cause of air pollution, especially in large cities.
composition of atmosphere
It was a hostile and barren planet. This strictly inorganic state of the Earth is called the geosphere; it consists of the lithosphere the rock and soil , the hydrosphere the water , and the atmosphere the air.
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