What is the difference between a solution and a heterogeneous mixture? what are some examples?

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.

What statement goes against the kinetic theory of gases

Which statement best describes the he properties of iconic compounds ?