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Give reasons: [3 MARKS] a) Clothes do not dry quickly on a cloudy day. b) It is not advisable to fill hydrogen gas in big air balloons. c) Balloons filled with helium gas float up into the air. |
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Answer» Give reasons: [3 MARKS] a) Clothes do not dry quickly on a cloudy day. b) It is not advisable to fill hydrogen gas in big air balloons. c) Balloons filled with helium gas float up into the air. |
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