How many chances do you have to take the teas 6?

"a.) well–developed vascular system."

sodium i think the chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group.

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