If a geographer wanted to use a geographic information system (GIS) to study soil contamination and determined that only the areas within 1.5 kilometers of a toxic waste dump needed to be considered and mapped, he/she would most likely choose. Which type of GIS function?

A) Buffering
B) Kriging
C) Area calculation
D) Point-pattern analysis


A) Buffering

Environmental & Atmospheric Sciences

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What factor allows for the carbon present in sediments to re-enter back into atmospheric and oceanic cycles?

A) Geological uplift B) Acid rain C) Sediments dissolving D) All of these choices

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Greenland was colonized by whom?

A) Great Britain B) France C) Sweden D) Denmark

Environmental & Atmospheric Sciences

Which of the following products made its way to Europe as part of the Columbian Exchange?

A) wheat B) potatoes C) grapes D) horses

Environmental & Atmospheric Sciences

In Japan, the presence of ducks and the aquatic fern Azolla in rice cultivation has shown that ________

A) invasive species diminish rice yields B) ducks and other birds must be eliminated from rice fields C) the ferns provide an excellent food for ducks D) GM crops such as rice cannot succeed without ferns to provide shade and ducks to provide pollination E) restoring portions of the biodiversity of a natural ecosystem increases crop yields and profits

Environmental & Atmospheric Sciences