Which of the following are heterogeneous mixtures (not homogeneous mixtures)? check all that apply. a. blood b. a smoothie c. milk that is sold at the store d. a cake mix

The following are heterogeneous mixture: MILK THAT IS SOLD AT THE STORE, A CAKE MIX AND MIXED NUT.An heterogeneous mixture is one which contained many parts which can be separated out.A smoothie is an homogeneous mixture because the juice of different fruits that are use can not be separated out.
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Sorry my friend i don't know the answer. i am just in 6th