During a long drought, many deer become weak because a basic need is not being met. what requirements for life are the deer most likely lacking? enough space enough water adequate shelter ability to find mates

Enough water, I actually took this test! <3

- S0ft1e

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.