cadencepony2005
cadencepony2005 cadencepony2005
  • 02-04-2020
  • Biology
contestada

Which of the following is an example of an open system?

A. a sealed aquarium containing plants and animals
B. The earth
C. The ocean
D. a closed thermos

Respuesta :

aynslee
aynslee aynslee
  • 02-04-2020
the answer is C because all of the spheres of the earth exchange energy and mass.
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