Few pollutants and their effects are listed below. Mark the incorrect match.
A
Phosphate fertilizers in water - Eutrophication
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B
Hydrogen released in air - Global warming
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C
Sewage disposed in water - Increase in BOD level
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D
Carbon dioxide in air - Acid rain
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Solution
The correct option is A Hydrogen released in air - Global warming Global warming occurs when gases like carbon dioxide and other greenhouse gases in the atmosphere absorb sunlight and solar radiation. They trap the heat and increase the temperature on the earth's surface.