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Chemistry, 22.06.2019 15:30, vivianfling
Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium
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Chemistry, 23.06.2019 00:30, danielmartinez024m
Maya wrote if you step to describe how carbon circulates between the atmosphere and living organisms
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Why are valence electrons important?...
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