Thermal Characteristics
Chemical composition
Movement and density
all of these
Troposphere
Stratosphere
Mesosphere
Thermosphere
hottest
cool
warmest
frozen
Lithosphere
Atmosphere
Hydrosphere
Decaying
germinates
photosynthesis
none of these
Oxygen
Nitrogen
Argon
Ozone layer
Ionosphere
None of these
The Thermosphere
The Mesosphere
The Troposphere
The Stratosphere