[RIGHT] . . 35 . 1820 . 1857 . . . 120 . . 99% . ( 00000 ) . . : 1. Troposphere . 18 9 . . 2. Stratosphere . 50 55 . . . 3. Mesosphere. 80 85 . 4. Ionosphere . Thermosphere . ڡ . : 0 Keenly . . 0 Appleton . .
[̲̅I̲̅].....[̲̅♥̲̅].....[̲̅E̲̅][̲̅G̲̅][̲̅Y̲̅][̲̅P̲̅][̲̅T̲̅] --
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