Answer:
I think it's C
Step-by-step explanation:
all the other ones are homogeneous because they are uniform and the same when mixed
a. lemonade is one color(yellow when mixed the same throughout)
b. omelet is scrambled together and the cheese and eggs melt together to be one
c.ice cubes and water are the same, both water
trail mix is the only different one made with different ingredients that standout
hetero- different (trail mix)
homo- same (lemonade)