How is the nitrogen cycle important to humans? O It produces free nitrogen that humans can breathe. O. It converts nitrogen into a form that humans can obtain by eatin O It produces nitrogen compounds that humans can breathe. O It converts nitrogen into a form that humans can obtain by abso
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19. scientists use meteorites that hit earth to provide evidence of the composition of earth's interior because they hypothesize that
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Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this
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We can be sure that a mole of table sugar and a mole of vitamin c are equal in their 1) mass in daltons. 2) mass in grams. 3) number of molecules. 4) number of atoms. 5) volume.
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How is the nitrogen cycle important to humans? O It produces free nitrogen that humans can breathe....
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