Question

why can a sponge can be compressed though it is a solid

Answer 1

well, sponge has numerous pores so the molecules are not actually packed together, so it cannot be called a perfect solid, and so can be compressed as these holes have air which when exerted pressure on escapes.

Hope it helps u

Answer 2

because sponge has a minute holes in which air is fill and when we pressed it the air is release