I need some chemisty helpp​

elements

explanation:

yes the other ones are right just show me a pic of ur face cuz u look hot

1 a

2 d

3 a

4 c

explanation:

it should be all of them because it asks if you included all of those in your answer

explanation:

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.