Niels bohr’s theory was based on what

Niel Bohr proposed a theory in which he pictures the way energy is transferred from one atom to another under a certain amount of circunstamces.

Explanation:

He was a physicist that conducted studies on atoms. Discovering that energy travels from one atom to another under strict conditions. That they do it when electrons jump from one atom to another, traveling from one orbit to other, that these orbits surround the atom's nucleus, and that when they jump two things happen, the first one is that the electron jumps from an atom with a higher level of energy to another one with a lower level of energy and that a light quantum is created as a consequence.

there is no chart here so no one can answer this.

in 1989, tiananmen square in beijing was the site of china’s main industries. china’s government headquarters. -pro-democracy demonstrations. (second choice)