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Chemistry, 21.06.2019 22:30, stefaniethibodeaux
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, 22.06.2019 09:30, strevino9178
In apex! a liquid heated beyond a certain temperature becomes
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Chemistry, 22.06.2019 14:00, rosetoheart2
What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
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