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How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?
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Along what geographical feature are most of the oil producing regions located
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This is a biological reaction due to a stimulus. i need this quickly !
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Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos
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What do these letters mean?TTA-AAC-GAG-CTG-CTA...
Mathematics, 10.07.2019 06:20
Mathematics, 10.07.2019 06:20