The polar jet stream removes air above the surface cyclone and supplies air to the surface anticyclone

a. True
b. False


ANSWER: True

Environmental & Atmospheric Sciences

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Acid mine drainage results from the oxidation and dissolution of coal and ________ ores

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

A parcel of air at 25°C is completely saturated with a vapor pressure of 30 mb. Cloud formation removes water vapor from the atmosphere resulting in a new vapor pressure of 15 mb at the same temperature of 25°C. What is the relative humidity of the parcel of air at 25°C and 15 mb?

A. 15% B. 15 mb C. 50% D. 50 mb

Environmental & Atmospheric Sciences

The exposed bedrock in the background of the figure below, to the right, formed as



A) isostatic rebound caused the land to extend upward.
B) particularly resistant rock and/or thin ice left the rock above the ice surface.
C) a mantle hot spot melted the glacier in this localized area.
D) local wind-blown deposition concentrated in this area of the glacier.

Environmental & Atmospheric Sciences

At present, what percentage of the world's people live in cities?

A. 10 B. 25 C. 50 D. 75

Environmental & Atmospheric Sciences