A dental surgeon appointed in a rural health centre reports an increased incidence of dental caries in the people of that area. Research team confirmed that water supply of that area is deficient in
AChloride
BSodium
CFluoride
DCalcium
All of the following are helminthic waterborne disease except?
AHydatid cyst
BRoundworm
CGiardiasis
DThreadworm
All are methods of sterilization except.
AFiltration
BHeat
CGases
DSunlight
+ 7 more in the PDF
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