Which part of Dalton's Atomic Theory below is no longer true based on modern understanding of atoms?​

wher is the rest of the question

you gotta add the following molecules so we can give u an answer

explanation:

sup bro, im dumb, but this is what i found xd

"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"