Question

Why sponge is a solid but it is not rigid.​

Answer 1

Answer:

Sponge is compressible because it is having minute pores in which air is trapped . on presssing the air is expelled. it is still considered as a solid because it has a definite volume and shape does not changes unlesss compressed.

Answer 2

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A sponge has minute holes, in which air is trapped, when we press it, the air is expelled out and we are able to compress it.