Everyday Science
How many times the sun is bigger than the size of the earth?
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Unit of measurement to measure rain is:
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Gas used in balloons?
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How long does the earth take to cover 1° longitude?
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Graveyard of RBCs?
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The Sun is ______
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Main control system body?
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Which wavelength of light is most effective in photosynthesis?
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Which gas was commonly used in airships?
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