A. troposphere, tropopause, stratosphere, stratopause, mesosphere, mesopause, ionosphere(thermosphere, thermopause, exosphere)
B. troposphere, stratosphere, stratopause, mesosphere , ionosphere
C. troposphere, tropopause, stratosphere, thermosphere, exosphere
D. troposphere, tropopause, stratosphere, mesosphere , exosphere, thermosphere, thermopause
✅ The correct answer is option A.
The sequence of layers of atmosphere from earth to upwards is troposphere, tropopause, stratosphere, stratopause, mesosphere, mesopause, ionosphere(thermosphere, thermopause, exosphere).
The sequence of layers of atmosphere from earth to upwards is troposphere, tropopause, stratosphere, stratopause, mesosphere, mesopause, ionosphere(thermosphere, thermopause, exosphere).