No; some mice may have developed lung cancer in less than 500 days of cigarette smoke exposure.
i think it's contact, dynamic, and regional
hope this helps
Must have more protons. Protons are positively charged, so if the atom (or in this case ion) has a net positive charge, it must have more protons (+ charge) than electrons (- charge).
The large vacuole stores water and other materials for a plant cell
