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Grade 9 Science · Problem type
Which property of water explains it?
Use this for “Why can an insect stand on the surface of a pond?”
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Which property of water explains it?
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Assumptions
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Water is polar: its oxygen end is slightly negative and its hydrogen ends slightly positive.
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Water’s polarity and the hydrogen bonds it makes cause all five properties here.
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Which class of biomolecule is it?
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The chemistry of life: water and biomolecules
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Which class of biomolecule is it?
Use this for “Antibodies are made of which kind of molecule?”