Air Current
Troposphere
Upper limit of our atmosphere
Exosphere
Layer of atmosphere that is located above troposphere
Stratosphere
Weather
Troposphere
Aurora Borealis
Thermosphere
Aircraft
Troposphere / Stratosphere
Meteors
Mesosphere
Free Points
Congratulations!!!
Layer of atmosphere that is located above stratosphere
Mesosphere
Spacecraft
Mesosphere/ Exosphere
layers that is nearest to the earth’s surface.
Troposphere
Satelite
Exosphere
Free Points
Congratulations!!!
Clouds
Troposphere
Ozone Layer
Stratosphere