Why paper absorbs water?, it have a big holes, it made of cellulose, it does not allow water to pass through, all of the above, Which of the following is not belong to the group?, paper, tissue paper, wooden stick, glass, Which of the following is an example of porous materials?, plastic cups, metal cup, aluminum foil, yellow paper, Which of the following is an example of non-porous materials?, yellow pad, nail cutter, paper cups, tissue paper, Why metal fork considered as non-porous materials?, it has small holes, it is made of cellulose, it does not allow water to pass through, it allows water to pass through

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