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100

where's the troposphere

the first layer 

100

what the atmosphere made of

a mixture of What is the most abundant gas in nitrogen[75%] and oxygen[21%] and a little bit of argon plus Corbin and water vapor.

100

whats is mesosaurus 

the boundary layer

100

whats the most dense layer of the atmosphere

the troposphere

100

what layer is the most dangerous 

the  troposphere

200

whats the the hottest layer

the thermosphere

200

what happens to the temperature when altitude is increased

it decreases

200

what is the coldest layer 

the mesosphere

200

whats the least dense layer

the exosphere

200

what layer is the safest 

the stratosphere

300

were is the ozone layer located

the stratosphere

300

how much ozone is in the atmosphere

3 billion metric meters or 0.00006%

300

whats the hottest layer

the thermosphere

300

whats altitude

 the height above sea level

300

What is the most abundant gas in the atmosphere 

nitrogen that makes up 75% of the earths atmosphere

400

whats the name of the last layer of the atmosphere

the expostphere

400

how many layers are in the atmosphere

5 layers

400

were is the troposphere

the first layer in the amtosphere

400

what layer has the most masse

The troposphere

400

Why is the ozone layer important

 shields Earth from the Sun's harmful ultraviolet

500

what happens to Density when increase in altitude 

it decreases

500

what is thermopause

the transitional boundary between the thermosphere and the exposephere 

500

what is tropopause

the transition layer between the troposphere and the stratosphere 

500

what layer has less mase

The mesosphere

500

What are contrails

 man-made cloud of water vapor and ice crystals

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