Which of the following substitutions can help reduce air pollution? using a bike instead of a car
O using dumps instead of landfills
O using coal instead of oil
O using fireplaces instead of a wind farms

a covalent bond, specfically triple bond

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