Which formulas represent two polar molecules?
(1) co2 and hcl (3) h2o and hcl
(2) co2 and ch4 (4) h2o and ch4

the answer is the first option

explanation:

just googled it m8. not that hard

lol

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.