Which molecules do not attract each other?

Non-polar and non-polar molecules

Polar and non-polar molecules

Positve parts of polar molecules and positive non-polar molecules

Positive parts of polar molecules and negative parts of non-polar molecules

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.