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kitykay2399
31.03.2021 •
Chemistry
Of the two forms of friction you studied,
friction is the one that
must be overcome in order to start something moving.
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Ответ:
H₂
Explanation:
H₂ is hydrogen in its elemental form.
H₂O, NaCl, and CaCO₃ are all examples of elements added together to create compounds.