GGY 230 Chapter 8

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A large body of air near the surface with nearly uniform properties (temperature, humidity, and stability) is called _______. A) an air mass B) a front C) a midlatitude cyclone D) a monsoon E) a low-pressure system

A) an air mass

If a large body of air has a high temperature and a low relative humidity, then the air mass is called _______. A) continental tropical (cT) B) maritime tropical (mT) C) continental arctic (cA) D) continental polar (cP) E) maritime polar (mP)

A) continental tropical (cT)

When a cP air mass travels from northern Canada across the Great Lakes in early Autumn, it becomes __________. A) warmer and less humid B) warmer and more humid C) colder and more humid D) colder and less humid

B) warmer and more humid

If a large body of air has a high temperature and a high relative humidity, then the air mass is called _______. A) continental arctic (cA) B) continental polar (cP) C) maritime tropical (mT) D) continental tropical (cT) E) maritime polar (mP)

C) maritime tropical (mT)

The weather within an air mass would __________. A) contain many storms B) change rapidly from east to west across the air mass C) change rapidly from the north to the south across the air mass D) change very little across the air mass

D) change very little across the air mass

If a large body of air has a low temperature and a low relative humidity, then the air mass is called _______. A) maritime tropical (mT) B) maritime polar (mP) C) continental tropical (cT) D) continental polar (cP)

D) continental polar (cP)

As an air mass travels over a region that is much colder, __________. A) its stability will increase and there will probably be thunderstorms B) its stability will decrease and there will probably be clear skies C) its stability will decrease and there will probably be thunderstorms D) its stability will increase and there will probably be clear skies

D) its stability will increase and there will probably be clear skies

Air masses form in conditions that have __________. A) strong wind and low pressure B) strong winds and high pressure C) light wind and low pressure D) light wind and high pressure

D) light wind and high pressure

The maritime tropical air mass that influences weather in Chicago, IL typically originates from __________. A) the north Pacific Ocean B) the north Atlantic Ocean C) Canada D) the Gulf of Mexico E) the desert southwest of the United States

D) the Gulf of Mexico

If a large body of air has a low temperature and a high relative humidity, then the air mass is called _______. A) continental polar (cP) B) maritime tropical (mT) C) continental arctic (cA) D) continental tropical (cT) E) maritime polar (mP)

E) maritime polar (mP)


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