Which evidence best supports scientists’ inferences
about the origin and age of the universe?
(1) the existence of planets
(2) cosmic background radiation
(3) formation of star constellations
(4) similar composition of earth and the moon

answer; they use longitude and latitude and   global grid system; good luck

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.