1)¿Cuál es la diferencia entre los tres niveles de prevención?

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

answer///alimentary canal/gastrointestinal tract.digestive (gi);