Earth Science: Layers of the Atmosphere

Which of layer of the Atmosphere houses the Ozone layer?

• Troposphere

• Stratosphere

• Mesosphere

• Exosphere

What element is the most abundant in the Atmosphere?

• Argon

• Nitrogen

• Oxygen

• Methane

What is the correct term for the gases that covers the Earth?

• Atmosphere

• Exosphere

• Mesosphere

• Stratosphere

Name one human activity that contributes to the depletion of ozone layer.

Answer explanation

Here are some causes;

Chlorofluorocarbons

Unregulated launches of rocket

Global warming

Nitrogenous compound

Rampant burning of garbage

Carbon emission

Name one possible effect of ozone depletion

Answer explanation

Effects on eyes

Effects on skin

Effects on human immunity

DNA damage and lung diseases

Effects of food shortage on human population

Global warming

Which of the following serves as the protection from meteors?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

Name one activity that can lessen the heat from the atmosphere.

Answer explanation

Plant more trees

Reduce use of fuel and carbon emission

Avoid using chlorofluorocarbons