if an element number has a mass number of 244 and an atomic number of 94, how many neutrons does the element have

The continuous release of nuclear energy caused when one fission reaction triggered more nuclear reactions is a

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.

Iwould appreciate if someone could me.