The stratosphere is also called…………
a) ionosphere
b) ozonosphere
c) both a & b
d) none of these
The concentration of ozone increase with…… of height.
a) increase
b) decrease
c) both a & b
d) none of these
Atomic oxygen reacts with another O2 molecules and result in the formation of ……
a) O3
b) CO2
c) NO2
d) SO2
Ozone……UV-radiation and protects us from harmful effects of UV radiation from Sun.
a) emits
b) absorbs
c) both a & b
d) none of these
UV-radiation cause…………
a) skin cancer
b) damage to vegetation
c) both a & b
d) hepatitis
…………fly in stratosphere.
a) weather ballons
b) Jet aircrafts
c) both a & b
d) none of these
