Which describes how scientists learn more about Earth's mantle?
F by studying earthquakes
(
by studying rock that has risen due
to convection
H by taking pictures from outside
the Earth
1
by using radioactive dating

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?