Students in a chemistry class are drawing molecular models based on molecular formulas they are given by the teacher. What atom or group of atoms is missing from each molecular model? Place the missing atom or group of atoms in the correct location to
complete the model. Not all pieces must be used.

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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.

you didnt put any of the following