The visible light spectrum ranges between
a. radar waves & x-rays
b. television waves & infrared rays
c. ultraviolet rays & gamma rays
d. infrared rays & ultraviolet rays

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

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.

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure