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Ch 4 MC

Terms in this set (20)

What is the best description of a region's climate?
the average temp and precipitation over several decades
What is a positive effect of upwelling?
creates an area of low precipitation
Which level of the atmosphere is the densest/ weather occurs in?
Troposphere
What happens as air rises?
the pressure decreases and it expands in volume
Endangered ecosystem known for purifying water and denitrifying nitrogen, including swamps, marshes, bogs
Freshwater wetlands
Ecosystem with warm temps and abundant rainfall with nutrient poor soils and high species diversity
Tropical rainforest
Ecosystems with low temps with a short growing season and characterized by permafrost
Tundra
As water freezes or evaporates, what happens to the salinity of the remaining ocean water?
Salinity increases
What factor is most closely related to adiabatic cooling and heating?
Air pressure
Latent heat release occurs when
water vapor in the atmosphere condenses into liquid water
The majority of major ocean currents are determine by
density differences
Which of the following surfaces has the lowest albedo?
Asphalt
You observe a mountain that has lush vegetation on one side and a dry desert on the other side, what is the most likely explanation for your observation?
Rain shadow effect
What is the cause of different season on earth?
Earth's tilt on the axis
Effects of El Nino in the eastern Pacific include all of the following except
upwelling along the coast
Which of the following statements about the Coriolis Effect is incorrect?
Global winds are not affected by the Coriolis effect
Which of the following is not true about the sun's energy heating the earth?
The sun's rays are more strongly reflected in the lower latitude regions
Why are global currents significant?
It helps regulate climate bytransporting heat from the equator
The main cause for the occurrence of different biomes in different regions is:
temp and rainfall differences
What is one major role that gyres play in global climate?
currents redistribute heat from the equator to Northern latitudes
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