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Biology, 21.06.2019 21:10
Using the periodic table, determine which material is most likely a good conductor
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Biology, 22.06.2019 05:40
Why do we perceive objects as retaining their brightness under different lighting levels?
Answers: 1
Biology, 22.06.2019 10:00
Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?
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Biology, 22.06.2019 11:00
Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?
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In viral genomes size, larger genomes tend to be dsdna - why?...
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Biology, 26.07.2019 10:30
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English, 26.07.2019 10:30