4. How are acid rains caused?
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4
Answer:
when compounds like sulphur dioxide and nitrogen oxides are released in air. these substance can raise very high temperature into atmoshere . where they mix with water and oxygen and with other chemicals to form more acidic pollutants , when rain falls is known as acid rain
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1
Answer:
the harm ful substances like co,co2,snitrogen dioxide goes in the form of water vapour by mixing with water in the process of evaporation.
Explanation:
and the main cause is using pesticides and water pollution
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