…………types of oxides of nitrogen are found in atmosphere.
a) 2
b) 3
c) 4
d) 5
…………are found in atmosphere.
a) NO
b) N2O
c) NO2
d) all of these
The atomic
oxygen is very important and consumes about ………… of ozone found in atmosphere.
a) 16%
b)17%
c) 18%
d) 19%
Effects of ozone layer depletion:-
The depletion of ozone layer allows the entering of UV from the sun into the earth’s
a) atmosphere
b) stratosphere
c) mesosphere
d) thermosphere
