saraals56 saraals56
  • 27-04-2021
  • Biology
contestada


A girl holds her breath for 30 seconds, breathes out, and then breathes in. Compared with the air she breathes out, the air she breathes in contains less
A) carbon dioxide and water vapour
B) nitrogen and water vapour.
C) oxygen and carbon dioxide.
D) oxygen and nitrogen.​

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zachS2006
zachS2006 zachS2006
  • 27-04-2021
It’s most likely answer b.
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