Brightening of the night sky caused by street lights and other man-made sources, which has a disruptive effect on natural cycles and inhibits the observation of stars and planets is called ________.

thermal pollution

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light pollution

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damping of light

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none of above

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Solution

The correct option is B light pollution
Brightening of the night sky caused by street lights and other man-made sources, which has a disruptive effect on natural cycles and inhibits the observation of stars and planets is called light pollution. In short, the inappropriate or excessive use of artificial light known as light pollution.

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