What places in the world can be part of the seven wonders of the world?

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.

what events in mexico's history might explain why the country continues to have difficulty improving social justice and economic opportunities for all people?