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Chemistry, 21.06.2019 16:30
Find the empirical formula of each of the following compounds. given mass or for each element in a sample of the compound 3,611 g ca; 6.389 g c1
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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 03:00
Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?
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Chemistry, 22.06.2019 06:20
If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution
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