Natural rain forms _ in the presence of carbon dioxide in the air.
Correct answer: C. Carbonic acid
- A. Smog
- B. Ozone
- C. Carbonic acid
- D. Chlorofluorocarbons
Explanation
CO2+H2O->H2CO3 This is how carbonic acid is formed from water.
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About Atmospheric Pollution
Atmospheric pollution covers harmful gases and particles released by vehicles, industries, burning fuels and natural sources. It includes carbon monoxide, sulfur and nitrogen oxides, particulate matter, smog, acid rain, the greenhouse effect and ozone depletion, along with their causes, chemical reactions, environmental effects and control methods.
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