Answer:
I think it is the atomic mass, or the atomic weight.
Explanation:
The number above the symbol is the atomic mass (or atomic weight). This is the total number of protons and neutrons in an atom. The number below the symbol is the atomic number and this reflects the number of protons in the nucleus of each element's atom.
(I'm so sorry if I'm wrong)
Hope this Helps!
Yes very true because we are not bacteria
Cations are positive so they have less electrons than protons, while anions are negative so they have more electrons.
The answer to your first question is the land becomes a lot dryer, so plants die. The answer to your second question is deposition.