g The strongest intermolecular forces of attraction between methyl fluoride (CH3F) molecules arise from: A. ionic bonding B. London-dispersion forces C. ion-dipole forces D. hydrogen bonding E. dipole-dipole forces

Can someone me with questions 15 to 17 plz.

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.

Which sample at stp has the same number of atoms as 18 liters of ne at stp