Everyday Science
Combustion needs?
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Two most common elements in the Earth’s crust are:
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What is the number of known crystalline phases of water ________?
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Microorganisms can only be seen with an equipment called ________?
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What is the common name for myopia?
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How many layers does the earth have?
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The salinity of seawater is determined by the amount of common salt (Sodium Chloride) in ——– of seawater.
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Sun is moving around the centre of the galaxy at a velocity of _______ km/s?
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Planet floats _________
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