15.ਮਨੁੱਖੀ ਪ੍ਰਦੂਸ਼ਣ ਦੇ ਕੀ ਕਾਰਨ ਹਨ ? What are thecauses of human pollution? HH
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Due to human activities sir pollution which is caused by burning of fossil fuels, releases of harmful gases like sulphur dioxide.
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