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List the two type of transporst that the cell in orde to transport molecules acroos the membrane
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Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?
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Stage in which a typical star has completely stopped fusion
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Air in a certain submarine cabin becomes unsafe to breathe when the mass of CO2(g) exceeds 2156 gram...
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