Earth

What substance, added to fog, makes smog?

More Questions from Earth
What is the low pressure area along the equator called?
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What word means a mild or moderate temperature?
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What percentage of known volcanoes are subaerial, meaning they erupt into the atmosphere?
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What destructive event can happen when it rains for a long period of time?
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What storm is the opposite of an anticyclone?
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Which of these is also known as "squawroot"?
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What is another name for an estuary?
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Abnormally warm weather in autumn is called what?
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