The sequence of layers of atmosphere from earth to upwards is

• A. troposphere, stratosphere, stratopause, mesosphere , ionosphere
• B. troposphere, tropopause, stratosphere, stratopause, mesosphere, mesopause, ionosphere(thermosphere, thermopause, exosphere)
• C. troposphere, tropopause, stratosphere, mesosphere , exosphere, thermosphere, thermopause
• D. troposphere, tropopause, stratosphere, thermosphere, exosphere

Answer: (B)