Which of these is not a commonly mined metallic substance?

a  solution  is always transparent, light passes through with no scattering from solute particles which are molecule in size. the  solution  is homogeneous and does not settle out. a colloid is intermediate between asolution  and a  suspension. while asuspension  will separate out a colloid will not.

i would say b

explanation:

but i think i would need more information than that

answerleaving cheese out to get moldy;

the answer your looking for is c).