In rainy season, the doors get wet due to

In rainy season, door gets swelled due to

In rainy season, door gets swelled due to

Why during rainy seasons, the wooden doors and windows are difficult to closs and open ? Give the phenomenon behind this and also define the phenomenon.

During rainy season wooden doors generally swell up due to

During rainy season, doors made up of wood generally swell due to

During rainy season, doors made up of wood generally swell due to

During rainy season wooden door generally swells up - Give reason.

In rainy season, children face the problem of stomach ache due to