15. What is added to our drinking water

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What is added to our drinking water?

Chlorine and fluorine

2
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What is an advantage of adding chlorine?

Kills dangerous bacteria and viruses e.g. cholera and typhoid

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What is an disadvantage of adding chlorine?

Increased risk of cancer and tastes bad

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What is an advantage of adding Fluorine?

Prevents tooth decay and cavities and strengthens bones

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What is an disadvantage of adding fluorine?

Can cause dental fluorosis, most toothpastes already have it and mass medication