La sociedad bizantina estaba ubicada principalmente en las ciudades, es por ello que se decía que esta sociedad era

because the two particles have an equal charge, the charges will cancel out and give the atom an overall charge of 0. so, if at atom has 35 protons in the nucleus, we could expect it to have 35 electrons orbiting that nucleus.

the rub-al-khali is also known as the arabian desert and the "empty quarter"