Should the handle and bristles of a tooth brush be made of the same material? Explain your answer.
Should the handle and bristles of a tooth brush be made of the same material? Explain your answer.
Jitender Pal , 12 Years ago
Grade 9
8 grade science> science-questions...
1 AnswersAditi Chauhan
No. The handle and bristles of a tooth brush should be made of different materials. The handle of a toothbrush should be hard and strong, while the bristles should be soft and flexible.
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