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2014-08-01T17:00:52+05:30
 It is typically caused by industrial activity, agricultural chemicals, or improper disposal of waste. The most common chemicals involved are petroleum hydrocarbons, polynuclear aromatic hydrocarbons, solvents, pesticides, lead, and other heavy metals. Contamination is correlated with the degree of industrialization and intensity of chemical usage
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2014-08-01T17:05:27+05:30

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SOIL POLLUTION: is caused by urban waste, industrial waste, biological agents, radioactive pollution.
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