quiz5

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University of Texas *

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101

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Geography

Date

May 5, 2024

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docx

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Uploaded by ChancellorOtterMaster913 on coursehero.com

Which of the following statements about water is FALSE? a) Ice is denser than liquid water at its freezing temperature b) Water is a polar molecule with both a positive and negative end c) For phase changes (e.g. liquid water to ice), latent heat is added or released depending on the phase change d) Water can occur in all three phases (vapor, solid, and liquid) at Earth surface temperatures What is Relative Humidity? a) The temperature at which water vapor begins to condense b) Mass of water vapor per kilogram of dry air c) Mass of water vapor in air divided by the mass of water vapor that the air can hold d) The amount of pressure exerted by water vapor in the atmosphere What is the following figure showing? a) The warmer the air, the less water it can hold b) Daily temperature changes do not affect the amount of water that air can hold c) If the specific humidity remains constant, then rain is most likely at 3 PM in the afternoon d) The warmer the air, the lower the relative humidity What happens to an air parcel that ascends from near the ground surface to higher altitudes? a) Air parcel expands and becomes warmer at higher altitudes b) Air parcel expands and cools at higher altitudes c) Air parcel is compressed and becomes warmer at higher altitudes d) Air parcel is compressed and becomes cooler at higher altitudes Which of the following conditions results in a stable atmosphere? a) A rising air parcel has a lower adiabatic rate than the environmental lapse rate b) Rising air parcel has a higher adiabatic rate than the environmental lapse rate c) Rising air parcel is always warmer than the surrounding environment d) Environmental lapse rate greater than both the DAR and MAR

Valley fog forms when... a) Cool, dense air rises up the sides of a valley b) Warm, dry air settles in a valley c) Cool, dense air settles in a valley d) Warm, dry air rises up the sides of a valley The average rate at which ascending, water-saturated air cools by expansion is called the ______________. a) Dry adiabatic rate b) Normal lapse rate c) Environmental lapse rate d) Moist adiabatic rate An occluded front forms when... a) Two bodies of cold air collide, forcing the warm air in between to rise so that it is no longer in contact with the ground b) Cold, dense air pushes warmer, lower density air ahead of it such that the warmer air rises up and over the cold air c) Warm, lower density air pushes and overrides cold, dense air d) Cold arctic air penetrates into the continental interior and meets warm, humid air from the south such that the air masses move parallel to each other Which of the following statements regarding midlatitude cyclones is FALSE? a) Midlatitude cyclones and associated air masses generally move eastward across the North American continent b) Mid-latitude cyclones are guided by the jet stream c) Strongest frontal activity occurs during the spring and are often associated with thunderstorms and tornadoes d) Average storm tracts shift northward into Canada during the winter and southward into the U.S. during the summer Strong thunderstorms, lightening and tornadoes are usually associated with... a) The dissolving stage of a midlatitude cyclone

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