What is the difference between a heterogeneous mixture and a homogeneous mixture? A. A heterogeneous mixture can only be a solid, and a homogeneous mixture can only be a liquid. B. You can’t see the parts in a heterogeneous mixture, but you can in a homogeneous mixture. C. You can see the parts in a heterogeneous mixture, but you can’t see them in a homogeneous mixture. D. A heterogeneous mixture is a physical combination, and a homogeneous mixture is a chemical combination.