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Biology, 21.06.2019 20:00
Johannesburg kepler, an apprentice of brahe, believed in the heliocentric universe but rejected past astronomers belief in
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When a human or animal consumes food, the carbon in that food is most likely to be converted into which of the following elements? a. carbon remains carbon b. nitrogen c. oxygen d. hydrogen
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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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When the oxygen produced by photosynthetic plants in the water dissolves in the water, which of these is being formed?
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