Earth

What substance, added to fog, makes smog?

More Questions from Earth
Which of these terms means "protecting and using a resource wisely"?
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In what direction does the sun set for people on Earth?
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The Hawaiian Islands are a good example of which type of volcano?
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What is the tendency of Earth's rotation to turn winds called?
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What is the wearing away of parts of the Earth by water or wind called?
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What process carries minerals down into lower soil horizons?
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John Glenn first orbited the earth in what year?
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A scientist that studies the Earth's surface is called what?
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