The coldest layer of the atmosphere is……….
a) Troposphere
b) Stratosphere
c) Mesosphere
d) Thermosphere
The upper limit is called……….
a) tropopause
b) mesopause
c) stratopause
d) thermopause
Thermosphere
Height
of thermosphere is……….
a) 50 Km
b)
80 Km
c) above 80 Km
d) 30 Km
The outer layer of the thermosphere is……….
a) ionosphere
b) exosphere
c) mesosphere
d) stratosphere
Which of the following is further divided into two layers?
a) troposphere
b) stratosphere
c) mesosphere
d) thermosphere
