World Geography
The headquarters of the Commonwealth of Independent States (CIS), formed out of erstwhile USSR, is at

Kiev in Ukraine
Kistiner in Moldavia
Moscow in Russia
Minsk in Byelorussia

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World Geography
The sequence of layers of atmosphere from earth to upwards is

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

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