essie71
essie71 essie71
  • 22-01-2017
  • Health
contestada

Which is a type of oxygen that forms a protective layer miles above the earth?

A.
fossil fuels

B.
smog

C.
pollution

D.
ozone

Respuesta :

szostakamanda
szostakamanda szostakamanda
  • 22-01-2017
The correct answer is D, The Ozone layer
Answer Link
bossninja
bossninja bossninja
  • 22-01-2017
The ozone layer of courese
Answer Link

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