The process of is modeled in the plant cell diagrams seen here.
osmosis
tonicity
active transport
facilitated transport

the electromagnetic energy from the sun arrives in the form of visible and invisible light.

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

well, i believe that the answer is 2. : 3