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1
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boundary where a cold air mass moves under a warm air mass
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2
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fast spinning spiral of wind that touches the ground
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4
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large body of air that has a similar temperature and moisture
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5
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breeze that moves from the water to the land
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6
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water that falls to Earth
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7
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weather instrument used to measure air pressure
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13
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round piecesof ice formed when frozen rain is coated with water and refreezes
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14
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movement of water from the surface of Earth into the air and back again
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15
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boundary where a warm air massmoves over a cold air mass
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