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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, 22.06.2019 14:00
What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
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Chemistry, 23.06.2019 03:00
Asample of sea water contains 6.28g of sodium chloride per litre of solution. how many milligrams of sodium chloride would be contained in 15.0ml of this solution?
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Chemistry, 23.06.2019 10:30
An atom that gains or loses one or more electrons is called a(n)
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English, 28.04.2021 20:00
Mathematics, 28.04.2021 20:00
Mathematics, 28.04.2021 20:00
Mathematics, 28.04.2021 20:00
Mathematics, 28.04.2021 20:00
Mathematics, 28.04.2021 20:00
Mathematics, 28.04.2021 20:00
English, 28.04.2021 20:00