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olasank [31]
3 years ago
10

In terms of energy, what kind of system is earth

Biology
2 answers:
sladkih [1.3K]3 years ago
7 0
2 answers but I lean towards open so D! Hope that helped
shusha [124]3 years ago
5 0

The answer is both open and close but it can only be one so i would go with d. open

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