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Nutka1998 [239]
3 years ago
7

A closed system:

Biology
1 answer:
Ksju [112]3 years ago
7 0

Answer:

D. exchanges no matter with other systems.

Explanation:

When you think of closed, think of something like a closed circuit. Nothing is effecting it from the outside and is not that common in nature. Most biological organisms are open systems such as us humans.

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