What was the basic proposal in the bohr model of an atom?

The shift of a vehicle's weight around its center of gravity is known as

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Has magnification ability of hundreds of thousands of times