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Svetradugi [14.3K]
4 years ago
8

In order for a physical barrier to be effective in preventing infection, the barrier must __________.

Health
2 answers:
Olin [163]4 years ago
8 0
In order for a physical barrier to be effective in preventing infection, the barrier must prevent the substance from entering the body, trap the substance when it first enters the body, or flush the substance out of the body.
kiruha [24]4 years ago
4 0

Answer: the answer is A........

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