ejhoff724 ejhoff724
  • 10-12-2017
  • Biology
contestada

Highway vehicles are responsible for ___% of the nox air emissions in the u.s.

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Аноним Аноним
  • 10-12-2017
Hello There!

Highway vehicles are responsible for 38% of the nox air emissions is the US.

Hope This Helps You!
Good Luck :) 

- Hannah ❤
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