Layers of the Atmosphere

What layer contains the ozone layer?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

What is the role of the mesosphere?

• To protect Earth from meteoroids.

• To regulate Earth's temperature.

• To support the growth of clouds.

• To absorb harmful solar radiation.

What happens to temperature in the thermosphere as altitude increases?

• Temperature decreases with altitude.

• Temperature remains constant with altitude.

• Temperature increases with altitude.

• Temperature fluctuates randomly with altitude.

How does air pressure change with altitude in the atmosphere?

• Air pressure increases as altitude increases.

• Air pressure remains constant with altitude.

• Air pressure decreases as altitude increases.

• Air pressure fluctuates randomly with altitude.

What is the coldest layer of the atmosphere?

• Stratosphere

• Troposphere

• Mesosphere

• Thermosphere

Which layer of the atmosphere is closest to the earth?

• Stratosphere

• Mesosphere

• Troposphere

• Thermosphere

Which layer of the atmosphere contains the ionosphere?

• Stratosphere

• Mesosphere

• Thermosphere

• Troposphere

What is the hottest layer of the atmosphere?

• Stratosphere

• Troposphere

• Mesosphere

• Thermosphere

What is the primary function of the Earth's atmosphere?

• To provide oxygen for living organisms.

• To selectively filter what goes in and out.

• To trap heat and regulate temperature.

• To protect the Earth from meteor impacts.

What is the significance of the ozone layer?

• It absorbs harmful ultraviolet (UV) radiation from the sun.

• It helps in the formation of clouds.

• It regulates the Earth's temperature.

• It provides oxygen for breathing.