How to explain the action of a kerosene lamp wick? Why do gauze bandage and blotting paper get completely

How to explain the action of a kerosene lamp wick? Why do gauze bandage and blotting paper get completely wet when one edge is dipped in liquid?

The action of the wick, gauze bandage and blotting paper can be explained by the capillary effect, since the fibers are wetted by the liquid and are very close to each other.

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