Describe how ozone over antarctica changed during the period from 1975 to 1985

Ozone over Antarctica changed during the period from 1975 to 1985 by decreasing by approximately 50 percent resulting in the creation of a hole in the ozone layer.

These findings were published in a 1985 publication by British scientists that studied the amount of ozone over Antarctica.  

the hereditary right of a monarch to rule from the mandate of heaven

they charge for servic mark me brainliest