the height above sea level - altitude , the higher the altitude  - the lower the air pressure , the more gravity  - the higher the air pressure , the colder the air  - pressure is higher because particles are condensed, the stratosphere  - layer the contains ozone , traps most of the Sun's UV rays - ozone layer , energy transfer  - energy moves from place to place , has the most water vapor and mass  - troposphere , troposphere is the most _____ layer  - dense , coldest layer - mesosphere , temperature - measure of ave. kinetic energy , thermal expansion - heated materials rise and go all over , radiation - energy that travels in invisible waves ,

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