Answer:
Ozone layer saves the earth from the ultraviolet rays of sun which is harmful for earth. It is situated jn upper atmosphere and saves earth. But thus chlorofluorocarbons destroys the Ozone Layer in the atmosphere.
In order for me to assist you, you must attach an image of the graph. :)
50% slipper footed, 50% non-slipper footed
systolic
Explanation: