Layers of the atmosphere

What is the most abundant gas in atmosphere?

• Oxygen

• Nitrogen

• Carbon dioxide

• Argon

What is the outermost layer of the atmosphere?

• Troposphere

• Stratosphere

• Mesosphere

• Exosphere

Where do weather phenomena occur?

• Troposphere

• Stratosphere

• Thermosphere

• Mesosphere

What layer of the atmosphere is the ozone layer located?

• Troposphere

• Stratosphere

• Mesosphere

• Exosphere

What happens to the temperature in the troposphere as you go higher?

• Increases

• Decreases

• Constant

• All of the above are correct

What is the third layer of the atmosphere from the earth?

• Exosphere

• Mesosphere

• Thermosphere

• Troposphere

What is the densest layer of the atmosphere?

• Troposphere

• Stratosphere

• Thermosphere

• Exosphere

Which of the following causes green house effect

• Oxygen

• Nitrogen

• Carbon dioxide

• Helium

Which of the following is boundary between stratosphere and mesosphere

• Tropopause

• Stratopause

• Ozone layer

• Mesopause

What is the second most abundant gas in the atmosphere?

• Carbon dioxide

• Oxygen

• Argon

• Helium