What’s the oxidation number of MgSF6

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 of the following molecules is polar? c3h7oh c2h5cooh

Aman applies a force of 500n to push a truck 100m down the street how much does he do?