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Physical Geography: Atmospheric Water & Water Cycle

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Physical Geography: Atmospheric Water & Water Cycle

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Questions and Answers

What is the primary reason why water is important on Earth?

It is involved in the water cycle

It exists in three phases

It is a thermal energy source

It is essential for all life (correct)

What happens to the air temperature when an air mass expands?

It increases

It remains constant

It becomes saturated

It decreases (correct)

What is the result of condensation when an air mass cools to its dew point?

Evaporation occurs

Clouds dissipate

The air mass contracts

Clouds form (correct)

What is the rate of cooling of an unsaturated air mass as it rises?

5.50F/1000 ft Signup and view all the answers

What occurs when an air mass contracts?

The air temperature warms Signup and view all the answers

What is the difference between a dry adiabatic rate and a saturated adiabatic rate?

The rate of cooling is faster in dry air Signup and view all the answers

What is the altitude at which the air becomes saturated and can no longer hold any more water vapor?

Lifting condensation level Signup and view all the answers

What is the rate at which the air cools when it rises, and the air is saturated with water vapor?

Saturated adiabatic rate Signup and view all the answers

What is the term for the amount of water vapor present in a given volume of air?

Absolute humidity Signup and view all the answers

What happens when the relative humidity reaches 100%?

The air becomes saturated, and precipitation occurs Signup and view all the answers

What determines the altitude of an air parcel?

Buoyant force and gravitational force Signup and view all the answers

What type of air is characterized by a parcel rising until it reaches equilibrium or the top of the troposphere?

Unstable air Signup and view all the answers