Question

3. The boundary separating the tropos
(a) Tropopause
(b) Mesopause
7. The layer ofthe atmosphere wherein the meteoritos
3. ................
(a) Mesosphere
The layer of the atmosphere which gradually merges into
(b) Stratosphere
(a) Troposphere
B. Fill in the blanks.
m etresisk
1. The ........................ is the hottest layer in the atmosphere
2. The drop in temperature of 1°C for every Mo
clouds are formed of frozen water vapour,
4. The atmosphere extends upwards for approximately
......................... in the atmosphere sustains life on the Earth​

Answer 1

3-a option will be correct option

7-a option will be correct option

tropospere will be hottest layer