Define hardness and appearance
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Hardness:- resistance of a material to deformation, indentation or penetration buy mens such as drilling ,impact, scratching measured by hardness test.
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hardness- a quality or condition of being hard.
appearance- the way that someone or something looks.
please mark as brainliest
appearance- the way that someone or something looks.
please mark as brainliest
anu732:
I said mine that everything's okk
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