Fluorosis (a bone disease) is caused by the presence of high concentration of __________ in atmospheric air. Options: A . &nbspHydrocarbons B . &nbspHydrogen flouride C . &nbspHydrogen sulphides D . &nbspNitrogen dioxide

Fluorosis (a bone disease) is caused by the presence of high concentration of _

Question

Fluorosis (a bone disease) is caused by the presence of high concentration of __________ in atmospheric air.

Options:

A . Hydrocarbons

B . Hydrogen flouride

C . Hydrogen sulphides

D . Nitrogen dioxide

Answer: Option B

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