Question

11. Should the handle and bristles of a tooth brush be made of the same
material? Explain your answer​

Answer 1

Answer:

no, the handle and bristles should be made with different materials . the handles should be made of hard and strong materials , while the bristles should be soft materials .

Explanation:

if the both handle and bristles are made of hard substance , when the person uses the brush , his sensitive gums get affected due to hard bristles.

if the handle and bristles are made of soft substance , when the person holds the handle , the handle may break .

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Answer 2

Answer:

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