angeladahlsrud angeladahlsrud
  • 19-09-2022
  • Biology
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4. Choose the best answer.
The atmosphere is a(n) _______ system.
O triangular
O closed
O open
O man-made

Respuesta :

KAPG21
KAPG21 KAPG21
  • 19-09-2022

Answer:

Explanation:

o closed you wouldn’t want random gases mixing together

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