Question

this is porous in nature is​

Answer 1

Answer:

A porous medium or a porous material is a material containing pores (voids). ... Many natural substances such as rocks and soil (e.g. aquifers, petroleum reservoirs), zeolites, biological tissues (e.g. bones, wood, cork), and man made materials such as cements and ceramics can be considered as of porous nature

Explanation:

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