Question

Which of the following is harshest? * Cotton Sponge Diamond Mirror​

Answer 1

Answer:

Hard materials: Diamond,Iron. Soft materials: Sponge,cotton. Iron is more hard compared to sponge.

Explanation:

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Answer 2

Materials which are difficult to compress are called hard and materials which are easy to compress are called soft.

Hard materials: Diamond,Iron.

Soft materials: Sponge,cotton.

Iron is more hard compared to sponge.

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