Question

example of porosity materials​

Answer 1

Answer:

A sponge is an example of a porous material as it has a large number of empty spaces compared to its volume. ... Sponges, wood, rubber, and some rocks are porous materials. In contrast, marble, glass, and some plastics are not porous and contain very few open pockets of air (or pores).

Answer 2

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A sponge is an example of a porous material as it has a large number of empty spaces compared to its volume.Sponges, wood, rubber, and some rocks are porous materials. In contrast, marble, glass, and some plastics are not porous and contain very few open pockets of air (or pores).