Answered

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Which statement best explains why the atmosphere is considered an open system?
A.
There is no definite boundary separating it from outer space.
B.
Energy and matter can enter and leave.
C.
Its molecules can move freely, without resistance.
D.
It can accept an unlimited amount of energy.

Sagot :

Answer:

thw anser is A

Explanation:

Answer:

Energy and matter can enter and leave.

Explanation:

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