Everyday Science
One kilometer is equal to:
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The gas which is responsible to stop ultraviolet radiation coming from the sun is:
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Term the way in which gases in the earth’s atmosphere warm the earth like the glass roof of a greenhouse?
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Lead Pencil is made up of:
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The brightest planet as seen from earth is:
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Which of the following is used in thermometer?
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The term aqua means:
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Part of microscope which holds the slide is referred to as:
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Calcium hydroxide is used as:
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