analyze the graph by describing the relationship between kinetic energy and mass. how does an object's mass affect its kinetic energy

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

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.

Calculate the concentration of all species in a 0.165 m solution of h2co3.