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What is the percentage of hydrogen in nitrogen trihydride
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In which phase of mitosis do the spindle fibers pull the chromosomes apart to opposite sides of the cell ?
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Chemistry, 23.06.2019 03:30
In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus.b) the number of neutrons it contains in its nucleus.c) the number of protons it has in a cloud around the nucleus.d) the number of neutrons it has in a cloud around the nucleus.e) the number of electrons it exchanges with its neighbors.
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Which length of geologic time is associated with the appearance of humans ?...
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