Environmental Science
The combination of nitrogen oxides and hydrocarbons in the presence of the sunlight causes

Global warming
Ozone hole in the atmosphere
Acid rain
Smog

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Environmental Science
The atmospheric greenhouse effect is produced mainly by the:

Absorption and re-emission of visible light by clouds
Absorption and re-emission of visible light by the atmosphere
Absorption and re-emission of ultraviolet radiation by the atmosphere
Absorption and re-emission of infrared radiation by the atmosphere
Absorption and re-emission of visible light by the ground

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