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In the correct lewis structure for the nitrate ion, no3 –, nitrogen has how many covalent bonds?
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Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial
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What is the chemical formula for the compound formed between sodium and flour one
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In the correct lewis structure for the nitrate ion, no3 –, nitrogen has how many covalent bonds?...
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