Biology, 28.01.2020 13:43 reticentrobbie

The following table describes four different systems.

system description
food web both matter and energy are exchanged with other systems.
carbon cycle energy is exchanged with other systems, but the amount of carbon remains constant.
water cycle the amount of water remains constant, but energy is exchanges with other systems.
universe the amount of matter and energy remain constant.

which is an example of an open system?

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The following table describes four different systems.

system description
food web...