Question

why does the Cotton lump of cotton wool shrink in water​

Answer 1

Cotton wool remains fluffy because of air trapped in it. When a lump of cotton wool is dipped in water, the air goes out of the lump. Due to this, the cotton wool shrinks when dipped in water. ... Thus, both plants and animals help each other in the exchange of gases in the atmosphere.

Answer 2

Answer:

cotton wool remains fluffy because of air trapprd in it. when a lump of cotton wool is dipped in water, the air goes out of the lump.due to this, the cotton wool shrinks when dipped in water.

Explanation:

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