The sequence of layers of atmosphere from earth to upwards is

• troposphere, tropopause, stratosphere, stratopause, mesosphere, mesopause, ionosphere(thermosphere, thermopause, exosphere)
• troposphere, stratosphere, stratopause, mesosphere , ionosphere
• troposphere, tropopause, stratosphere, thermosphere, exosphere
• troposphere, tropopause, stratosphere, mesosphere , exosphere, thermosphere, thermopause}