Since the early 1960s, fluoride has been added to many sources of drinking water to prevent cavities in teeth. There are some who say that this is unnecessary and increases the risk of cancer. Read the article below and use the information to answer the questions that follow.
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sry ik that this is not the answer but u have not attached any pic...so plz post ur question again with the picture.
have a good night :)
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Answer:
it could be A but idk yet
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