xezthekingx7367 xezthekingx7367
  • 01-11-2018
  • Biology
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Which human activity has affected the nitrogen cycle? i. use of fertilizers ii. combustion of fossil fuels iii. deforestation?

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Willawoo22 Willawoo22
  • 01-11-2018
Combustion of fossil fuels is the answer
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