Air-Composition And Structure

What is the lowest and the densest layer in nnthe atmosphere?

• Stratosphere

• Troposphere

• Thermosphere

• Exosphere

Mixture of several gases form our

• Surface

• Temperature

• Atmosphere

• Thermosphere

Ozone is concentrated in the lower part of?

Extent of exosphere layer is about

• 1600km

• 1500km

• 1750km

• 1800k.

Which layer is called ionoaphere

How much layers are there in the atmosphere

• 4

• 6

• 5

• 7

How much percent of nitrogen is present in the atmosphere?

• 69%

• 71%

• 78%

• 50%

The last layer of the atmosphere

THE RATE AT WHICH THE TEMPERATURE DROPS IN THE ATMOSPHERE IS _______

• Serious Lapse Rate

• I Don't Know

• Air Rates

• NORMAL LAPSE RATE