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Cotton is made of cellulose fibers that have a high surface area and can hold water through capillary action. When a cotton ball comes in contact with water, the water is drawn into the tiny spaces within the fibers due to capillary action, making the cotton ball absorb water.

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1y ago

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Why do cotton balls shrink when absorbing water?

Cotton balls shrink when absorbing water because the water molecules cause the cotton fibers to swell and become more tightly packed together. As a result, the fibers contract in size, leading to the overall shrinkage of the cotton ball.


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