Which substance is most likely classified as a colloid answers?

Fog

The substance most likely classified as colloid is fog for they are mixtures whose particles are larger than the size of a molecule but smaller than particles and can be seen with the naked eye. Moreover, a fog describes the Tyndall effect, where a strong light is shone through a colloidal dispersion; the light beam becomes visible, like a column of light during a foggy night.

the correct answer is 2 and 4

the rocks are classified by the geological process they are formed by. the three main groups of rocks are igneous, metamorphic, and sedimentary. minerals are not they are classified under the chemical classes they are in. these groups include silicates, sulfates and carbonates.