Which of the following levels is lower than cells in the hierarchy of organization of living things? molecules organs organ systems tissues answer this

since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.

i'm pretty sure it is letter c.) car