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1.Why is atmospheric nitrogen so inaccessible to most organisms?

1.Why is atmospheric nitrogen so inaccessible to most organisms? (Hint: watch the pre-reading video on biogeochemical cycles.)

a.      because the nitrogen molecules have a triple bond between two nitrogen atoms, and plants cannot take up nitrogen (N2) gas

b.      because nitrogen (N2) gas is very rare

c.      because nitrogen (N2) gas is found mostly in the oceans

d.      because nitrogen (N2) gas is only found very high up in the atmosphere

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The correct answer is: (a) because the nitrogen molecule... View the full answer

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a.      because the nitrogen molecules have... View the full answer

a.      because the nitrogen molecules have... View the full answer

1.Why is atmospheric nitrogen so inaccessible to most organisms? (Hint: watch the... View the full answer

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