3) excess carbon gases released into the atmosphere cause additional radiation to be retained and earth's average temperature to increase. this phenomenon is known as a) solar radiation. b) the ozone shield. c) the greenhouse effect. d) industrial air pollution.

C) the greenhouse effect

Explanation:

Carbon dioxide is the major greenhouse gas. A large amount of carbon dioxide is emitted from various processes such as the burning of fossil fuels. The high percentage of carbon dioxide released into the atmosphere absorbs the radiated heat from the earth surface. This raises the temperature of the Earth.  This phenomenon is called the greenhouse effect.

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