Question

Difference between primary and secondary pollutants ? Explain how these pollutants are harmful for hjmans and environment in about 250 words.

Answer 1

• Primary Pollutants are directly emitted from the process such as fossil fuel consumption, volcanic eruption and factories.
• The major pollutants are oxide of sulpher, oxide of nitrogen, oxide of carbon etc.
• The secondary pollutants are not emitted directly.
• When the primary pollutants react with themselves or other component of the atmosphere.
• Most secondary level pollutants are Ground level Ozone, Smog and PoPs(persistent organic pollutants).

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