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son4ous [18]
3 years ago
7

The ____ is the most important mechanical barrier.​

Biology
1 answer:
kirill [66]3 years ago
5 0

Answer:

your skin

Explanation:

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Livestock candidates should be chosen based on the patient's preference as there could be organ rejection is an unbiased argument.

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This type of argument shows the reader both sides and bids the reader decide.

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Read more about Unbiased argument here brainly.com/question/2399804

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