17. Why were early toothbrushes most likely called "chew sticks"?
a. Because people chewed on them to help clean the teeth.
b. Because they were chewed on by animals.
C. Because they tasted better when chewed d. Because people chewed them after using them
a. Because people chewed on them to help clean the teeth.
b. Because they were chewed on by animals.
C. Because they tasted better when chewed d. Because people chewed them after using them
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Answer:
A
Explanation:
Chewing on the stick cleans the teeth as it slowly soften and turn into soft bristles helping you clean the teeth