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Biology, 22.06.2019 10:00
The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a.an ionic bond is formed between the oxygen and carbon atoms. b.four valence electrons are shared. c.two valence electrons are shared. d.valence electrons are shared between oxygen atoms.
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Biology, 22.06.2019 22:00
Select the word from the list that best fits the definition apparent movement of a star used to measure its distance from earth
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How are a rainforest and a wetland similar?...
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