Which of the following will oxygen react with to cause combustion? A. Carbon dioxide
B. A hydrocarbon
C. Water
D. Heat

It’s B you can use this for free points lol

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.