5.Which of the following ions would be harmful to human health if found to 1 point be in a drinking water supply? calciu

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5 Which Of The Following Ions Would Be Harmful To Human Health If Found To 1 Point Be In A Drinking Water Supply Calciu 1 (58.12 KiB) Viewed 58 times

5.Which of the following ions would be harmful to human health if found to 1 point be in a drinking water supply? calcium ions iron (II) ions arsenic ions sulfate ions iron(III) ions 1 point 6.Why are fluoride ions added to drinking water by many municipalities in Canada? They help remove lead(11) ions from the water. They aid in the removal of harmful bacteria. They help to prevent tooth decay. They help remove arsenic ions from the water. Fluoride ions have been known to combat certain cancers. Option 6 1 point 7.Why do Canadians focus more on water quality rather than on water quantity compared to most other countries? The quantity of fresh water in Canada is extremely high compared to other countries. Canada has a history of poor water quality. Sources of water in Canada are more polluted than in other countries. Canada has better technologies to deal with water quality than other countries. There is no way to improve water quantity, so Canada focusses on water quality. Option 6