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Chemistry, 22.06.2019 07:00
6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space
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What is the empirical formula of a compound that is 50.7% antimony and 49.3% selenium ?
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When the ionic compound nabr dissolves in water, brβ ions are pulled into solution by the attraction between what two particles? a. the na+ and brβ ions b. the na+ ion and the negative end of a water molecule c. the brβ ion and the positive end of a water molecule d. the brβ ion and the negative end of a water molecule
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Why does sound travel at different speeds through various materials?...
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