Everyday Science
Increase of carbon dioxide is atmosphere causes:
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Friction can be reduced by changing over from:
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Excessive heating and repeated use of cooking oil is most undesirable because:
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Which of the following statements in regard to diabetes is not correct?
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Greenhouse effect’ means:
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The picture tube of a black and white T.V. set has only one electron ‘gun’ that produces the picture on its screen. The number of electron ‘gun’ a colour picture tube has is:
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On the Moon, astronauts inflate a rubber balloon with hydrogen gas and release it at a height of 2 metres. The balloon will.
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It is often observed that people living in hilly areas suffer from goiter because:
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All the planets except for Pluto————-the same way and in the same plane.
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