If something has a density lower than water (fewer particles per cubic measurement), then it will float in water. If something has a higher density (more particles per cubic measurement), then it will sink in water.
Water has a density of 1g/ml, so an object with the lower density of 0.97g/ml will float in water. Hope this helps! :)
Because the surface of a leaf is smooth if the surface was rough the water would get stuck but it is smooth so the water just rolls off
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A deletion mutation can remove a single nucleotide, or entire sequences of nucleotides. ... If three or more nucleotides are lost in a gene, entire amino acids can be missing from protein created which can have serious functional effect.
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Because ticks stay attached to hosts, blood feeding for several days, they secrete novel pain killers, called kininases, in their saliva which help them go unnoticed. If you have been bitten previously, you may notice a small red bite mark, which can be itchy.
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Correct option is (C) Hypothesis.
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