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VSTD_TERM3_SCIENCE_AIR
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Name the picture
Parachute
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Atmosphere ia divided into ______ layers.
5
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The level of oxygen in air is _________ ℅.
21
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__________ layer absorbs ultra violet rays.
Ozone
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Name the sport.
Paragliding
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Name the picture
Helicopter
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The earth is surrounded by a layer of gases called __________.
Atmosphere
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The first stage of water cycle is ________.
Evaporation.
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Meteors found in the sky burn in __________ layer.
Mesosphere
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All weather changes occur in __________.
Troposphere
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