Cora wants to draw a model of an atom for her project for the science fair. She wants to draw an atom that has two protons, four neutrons, and two electrons. Which model is like Cora's?

lysosome is this part of the cell is surrounded by a very thick outer membrane to protect the rest of the cell from its strong enzymes.

the fossil record provides evidence of a common ancestor to many species.

you need more balloons

well, i believe that the answer is 2. : 3