Question

use of soil on hands the friction
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Answer 1

Answer:

Lathering and scrubbing hands creates friction, which helps lift dirt, grease, and microbes from skin. Microbes are present on all surfaces of the hand, often in particularly high concentration under the nails, so the entire hand should be scrubbed 11-15. Scrub your hands for at least 20 seconds.

Explanation:

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Answer 2

Answer:

1)it absorb moisture

2)it give roughness

3)Helps to give better grip