|Most thermal energy in the atmosphere is transferred by this?
|Types of Atmospheric Heating?
||Thermal Conduction, Convection, Radiation
|Warm air ______________ and cool air ________________
||rises because less dense , sinks because more dense..
|What is the cycle of warm air rising and cool air sinking causing a circular movement of air?
|What percentage of the radiation that enters Earth's atmosphere is absorbed by clouds and by the Earth's surface?
|This has often been described as a warm blanket because warmth is trapped on earth?
|For Earth to remain livable, the amount of energy received from the sun and amount of energy returned to space must be approximately equal. This balance is known as what?
|What is a gradual increase in average global temperatures?
|What causes global warming?
||Burning Fossil Fuels and Deforestation.