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Question

Should the handle and bristles of a toothbrush be made of the same material? Explain your solution.

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Solution

No, the handle and bristles of a toothbrush should be made of different materials. The handle of a toothbrush should be hard and strong so, it should be made from plastic. While the bristles should be soft and flexible so, they should be made from nylon.

The picture of the toothbrush is shown below:



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