Question

Few statements related to the
"Ozone layer" have been given
below. Choose the statements
which correctly describe the
concept of the ozone layer.
1. Ozone is a molecule formed by
four atoms of oxygen.
II. At the lower levels of the
atmosphere, ozone shields the
surface of the earth from
ultraviolet (UV) radiation from th
sun.
III. The higher energy UV radiatio
split apart some molecular oxyge
into free oxygen atoms which
combine and form ozone.
IV. The decrease in the ozone lay
has been linked to synthetic
chemicals like chlorofluorocarbo
(CFCs) which are used as
refrigerants and in fire
extinguishers.​

Answer 1

Answer:

4-) the decrease in the ozone layer has been linked to synthetic chemicals like chlorofluoro which are used as refrigerants and in fire extinguisher.