In an atom, electrons a. are located in the nucleus c. travel outside the nucleus b. are paired with neutrons d. are always in the same place in an atom

The Answer is: C. The Electrons travel outside the nucleus. Hope this helps :)

Cell division is important to single celled organisms because it allows the cells to reproduce. through cell division, cells make exact copies of themselves. when single celled organisms go through cell division, they make exact copies of themselves which is how they reproduce.