Environmental Science Q2

What is the most abundant element in the earth’s atmosphere?

• Argon

• Carbon Dioxide

• Nitrogen

• Oxygen

What is the correct order of Earth’s atmospheric layers from the bottom to top?

• Stratosphere, Mesosphere, Thermosphere, Exosphere

•  Stratosphere, Troposphere, Thermosphere, Mesosphere, Exosphere

• Troposphere, Mesosphere, Stratosphere, Thermosphere, Exosphere

• Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere

Which layers of the atmosphere contains ozone layer?

•  Mesosphere

• Stratosphere

• Thermosphere

• Troposphere

In which atmospheric layer is most water vapor found?

• Troposphere

•  Stratosphere

• Mesosphere

• Thermosphere

In which layer do virtually all-weather phenomena take place?

• Exosphere

• Mesosphere

• Stratosphere

• Troposphere

What is the basis for the division of the layers of the atmosphere surrounding earth?

•  Changing temperature

• Changing composition

• Changing amount of oxygen

•  Changing weather patterns

Why is the presence of ozone layer above the troposphere important for the survival of living things on earth?

•  It warms Earth’s surface.

•  It helps in cloud formation

• It makes jet flying more comfortable.

• It offers protection from the Sun’s harmful UV rays

Why do hikers put thick clothes when climbing a high mountain?

• for protection against insect bites.

• the air temperature decreases with altitude

• so they can easily be located when they get lost.

• to add more weight so they will not be pushed by the wind.

What characteristics differentiated troposphere from the layers of atmosphere?

• I and III only

• I, II, and III

• II and III only

• I, II, III and IV

Which of the following correctly describes the stratosphere?

• It is an atmospheric ozone layer.

• It has high concentration of ionized particles.

• It is a layer important to telecommunications.

• It is a layer extending to a height of about 8 km