the rubber that expands it to the ball , it is like a little pouch
Water, H2O, forms four hydrogen bonds per molecules with other molecules in a tetrahedral arrangement. A hydrogen bond is an attraction between hydrogen atoms and any highly electronegative atom (N,...
Some species can survive years out of water ( in mud/clay) others not so long.
Really they do both because they need water and air
you will become a raisin ;)