ch.6 atmospere

what makes up 78%of the atmosphere

• oxygen
• argon
• carbon
• nitrogen

what is the concentration range for water vapor

• 0-4
• 7-10
• 1-5
• 20-50

how many layers atmosphere 

• 5
• 2
• 4
• none of the above

what region within the mesosphere and thermosphere that contains ions

• ionosphere
• troposphere
• ozone layer 
• ionicsphere

what atmosphere layer is the farthest from earth's surface 

• ionosphere 
• stratosphere
• exosphere
• ozone layers

what layer is closest to earth surface 

• all the below
• exosphere
• stratosphere
• troposphere

what layer is the warmest 

• thermosphere
• mesosphere
• stratosphere
• troposphere

what absorbs energy form sunlight and increase temperature in the strotosphere 

• ozone 
• auroras
• exosphere
• all the above 

what percent of radiation is absorbed by particles in the atmosphere

• 20%
• 25%
• 50%
• 100%

how much radiation is absorbed by earth's surface

• 100%
• 20%
• 50%
• 10%