What is Newton's Law of Universal Gravitation? A an object in motion stays in motion
® all objects with mass have gravity
gravity pushes and never pulls
D gravity only depends on the mass of an object

Are the earth's ocean floor and continents the same age geologically? why or why not?

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere, b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify, d)anaerobic bacteria kept thriving with more oxygen

What happens as electrons move along the chain of molecules known as the electron transport chain? they gain energy, which causes atp molecules to lose phosphate groups. they gain energy, which causes h *ions to join with oxygen to produce water. they lose energy, which is then used by the cell to make atp. they lose energy, which is then used to break down atp.