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ycow [4]
3 years ago
6

How do colonies grown from hand sampled before and after hand sanitizing differ?

Biology
1 answer:
kotegsom [21]3 years ago
4 0

Answer:

Why might some people have more bacteria on the "after" side? These bacteria are most likely normal flora that were present on the skin before and after hand washing. These bacteria will more easily come off after hand washing so more colonies are present on the "after" side.

Explanation:

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