anmal cell
Explanation:
plants cell are gas cuz they smell good
When atoms in a covalent bond share electrons unequally (one atoms pulls more than the other), the bond is said to be a polar bond is formed when electrons are unequally shared between two atoms. Polar covalent bonding occurs because one atom has a stronger affinity for electrons than the other (yet not enough to pull the electrons away completely and form an ion).
No. The natural selection is when the best suit fits survive. Therefore is not the idea that as an environment changes.
