LAYERS OF THE ATMOSPHERE

What is the most abundant gas in the atmosphere?

• A. OXYGEN

• B. NITROGEN

• C. CARBON DIOXIDE

• D. WATER VAPOR

Satellite communication is an important aspect of daily life that allows us to

receive radio signals that transmit to our phones, computers, and TVs. Where is the satellite communication taking place in our atmosphere?

• A. MESOSPHERE

• B. STRATOSPHERE

• C. THERMOSPHERE

• D. TROPOSPHERE

The stratosphere contains the Earth’s ozone layer. The ozone blocks some solar

radiation. What will happen if ozone layer were removed from the atmosphere?

• A. The removal of the ozone layer would cause higher temperatures.

• B. The removal of the ozone layer would cause an extinction of all life.

• C. The removal of the ozone layer would cause a higher rate of skin cancer.

• D. The removal of the ozone layer would cause the depletion of natural resources.

Which of the following greenhouse gas being produced by humans?

• A. Water vapor

• B. Carbon dioxide

• C. Methane

• D. Nitrous oxide

What should you do to prevent the occurrence of global warming?

• A. Join car pools

• B. Avoid using disposable items

• C. Turn off all appliances when not in use

• D. All of the above