Match the following List-$I$ ($F^-$ ion concentration in drinking water) with List-$II$ (Effects on humans):
List-$I$ List-$II$ $(A)$ $< 1 \ ppm$ $(i)$ Harmful to bones $(B)$ $> 2 \ ppm$ $(ii)$ Tooth decay $(C)$ $> 10 \ ppm$ $(iii)$ Brown mottling of teeth
Then the correct match is:
| List-$I$ | List-$II$ |
|---|---|
| $(A)$ $< 1 \ ppm$ | $(i)$ Harmful to bones |
| $(B)$ $> 2 \ ppm$ | $(ii)$ Tooth decay |
| $(C)$ $> 10 \ ppm$ | $(iii)$ Brown mottling of teeth |
Then the correct match is:
- A$A - iii, B - ii, C - i$
- B$A - iii, B - i, C - ii$
- C$A - ii, B - i, C - iii$
- D$A - ii, B - iii, C - i$
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