What is meant by tide and ebb? |
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The periodic variation in the surface level of the oceans and of bays, gulfs, inlets, and estuaries, caused by gravitational attraction of the moon and sun is called tide.
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What is a Tornado? |
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A tornado is a violent rotating column of air extending from a thunderstorm to the ground.
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What is a Volcano? |
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A volcano is a mountain that opens downward to a pool of molten rock below the surface of the earth.
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