Fog is a colloidal system in which the dispersed phase and the dispersion medium are, respectively,

Agas and liquid
Bsolid and gas
Cliquid and gas
Dliquid and liquid

Answer: C

In fog, tiny liquid water droplets are dispersed in air. The dispersed phase is liquid and the dispersion medium is gas, so fog is an aerosol of the liquid-in-gas type.

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