Chemistry, 28.08.2019 15:10 AaronEarlMerringer
When stressed, mica breaks into thin sheets. this describes mica's luster color streak cleavage
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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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Analyze the reaction to determine whether the reaction is exothermic or endothermic. explain your reasoning.
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Areaction is first order. if the initial reactant concentration is 0.0200 m, and 25.0 days later the concentration is 6.25 x 10-4 m, then its half-life is:
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Chemistry, 23.06.2019 07:00
Scuba divers use tanks of compressed air to them breathe. gases can be compressed because?
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When stressed, mica breaks into thin sheets. this describes mica's luster color streak cleavage...
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