Atmosphere Test 2021

In which atmospheric layer of Earth do thunderstorms occur?

• Thermosphere

• Mesosphere

• Stratosphere

• Troposphere

Why do planes fly in the stratosphere, the second-lowest layer of the atmosphere?

• to avoid storms and other weather events

• to receive better radio communication

• to fly at supersonic speeds without air resistance

• to avoid changes in air pressure

Which gas makes up the largest component of the Earth’s atmosphere?

• Argon

• Oxygen

• Nitrogen

• Carbon Dioxide

Which statement describes the general movement of air masses?

• They move from areas of high pressure to areas of low pressure.

• They move from areas of high altitude to areas of low altitude.

• They move from areas of low humidity to areas of high humidity.

• They move from areas of low temperature to areas of high temperature.

Which air mass is warm and humid?

• mT

• mP

• cT

• cP

What type of front does this symbol represent?

• cold front

• warm front

• stationary front

• occluded front

Which most likely occurs when a fast-moving cold air mass moves into a region of warmer, moist air?

• It causes light precipitation for a long period of time.

• It causes light precipitation for a short period of time.

• It causes heavy precipitation for a long period of time.

• It causes heavy precipitation for a short period of time.

The eastward movement of warm water in the Pacific Ocean during an El Niño event tends to cause which climatic effect?

• flooding on land masses in the western Pacific Ocean

• heavy rainfall over land masses in the eastern Pacific Ocean

• cold, windy conditions on land masses in the eastern Pacific Ocean

• frequent, shallow tsunamis reaching land masses in the western Pacific Ocean

Which substance is considered to be a factor affecting Earth’s ozone layer?

• Carbon Dioxide

• Greenhouse Gases

• Ethyl Alcohol

• Chlorofluorocarbons

Which of these air pollutants can react with chemicals in the atmosphere and cause acid rain?

• carbon dioxide (CO2 ) and methane (CH4)

• sulfur dioxide (SO2) and nitrogen oxides (NOx)

• nitrogen oxides (NO2) and volatile organic compounds (VOCs)

• chlorofluorocarbons (CFCs) and volatile organic compounds (VOCs)