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Chemistry, 21.06.2019 22:30
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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Chemistry, 21.06.2019 23:30
Two atoms interact with each other as shown by the equation. complete the equation by filling in the missing parts. 1 2 3 4 5 h he li
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Chemistry, 22.06.2019 17:30
Air can be considered a mixture. which statement does not explain why?
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Which of the following processes have a ? s > 0?
2hcl(g) ? h2(g) + cl2(l)
2n...
2hcl(g) ? h2(g) + cl2(l)
2n...
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