kattaviv2004 kattaviv2004
  • 08-11-2018
  • Biology
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please help me!! ;-;

please help me class=

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layspotatochipman474
layspotatochipman474 layspotatochipman474
  • 08-11-2018

The answer to this question is

A. Free nitrogen is in the air

B. Producers absorb nitrogen compounds through their roots

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