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Who wore a blue hat with a ball on the end of?
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the pipe to attract the mice?
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The golden halred girl whose plant was used as rope by a witch
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B) MATHEMATICS AND SCIENCE
Fun in the blanks :
Mechávraba
() The oil or grease applied for smooth functioning of a bicycle or a sewing
chine are called
sources of energy
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Answer:
Oil acts as a lubricant, so when oil is applied to moving parts of a machine, it reduces the friction in between them, which in turn reduces the heat lost due to friction. This reduction in heat loss increases the efficiency of the machine.
Explanation:
Oil acts as a lubricant, so when oil is applied to moving parts of a machine, it reduces the friction in between them, which in turn reduces the heat lost due to friction. This reduction in heat loss increases the efficiency of the machine.
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