Question

which of the following is an example of a heterogeneous mixture?
iron
chicken noodle soup.
kool - aid.
water

Explanation:

A heterogeneous mixture has visibly different parts. Iron is an element, kool - aid and water are homogeneous mixtures. Chicken noodle soup has distinct components like noodles, chicken, and broth that can be seen separately.

Answer:

chicken noodle soup.