PLEASE HELP WILL MARK AS BRAINLIEST

Which is an example of a mixture of parts that can easily be separated?

A. Snack mix ( Nuts, pretzels, and chips)

B.Water( hydrogen and oxygen)

C. Cement ( sand,gravel,water)

D. Cake (flour,eggs,sugar)

PLEASE HELP I'M BEGGING YA!!!! WILL MARK AS BRAINLIEST