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Biology, 22.06.2019 13:30
The earths core is made up mainly of what 2 substances? 2. like an egg, earth has a core, a layer surrounding the core, and a thin, hard outer layer. which layers of the earth match the layers of an egg?
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Which of the following would involve looking at different structures of organisms and comparing how similar they are? a. vestigial structuresb. radiometric datingc. homologous structures
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Biology, 23.06.2019 06:10
What do complement proteins do? a- they heal tissue. b-they cause fever c-they signal phagocytes d-they transport hormones
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How is efficiency related to systems?...
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