For the balanced equation Zn + 5 Zns, out the reaction with 12.0g Zn and of these two reactants is the reagent? How much in grams the can reaction yield ?

the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface.

i think it's c. i'm not sure but i think so.