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18. When a chemical reaction takes place in an open system, matter_____.

(A) can enter from the surroundings, but cannot escape to the surroundings
(B) can enter from or escape to the surroundings
(C) can escape to the surroundings, but not enter from the surroundings
(D) is not allowed to enter from or escape to the surroundings

Respuesta :

A) can enter from the surroundings, but cannot escape to the surroundings
rawanbadi101

Answer:

can enter from or escape to the surroundings

Explanation:

i tried it and it worked

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