Why do populations of prey and predators fluctuate as they do? What patterns can be seen by the fluctuation of the population?

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called

the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.

answer; both surfaces of the membrane are nonpermeable

idk im sorry.