What information in the msds would be most important to know at the end of an experiment?

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.

How many valence electrons are in atom of radon?

Which of the following is true about the speed of light? it depends on the wavelength.