Fog that forms in industrial areas is usually quite thick because the pollution particles provide large numbers of ____ nuclei on which water droplets can form
a. hydrophobic
b. giant
c. salt crystal
d. haze
e. hygroscopic
ANSWER: e
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The hot spring deposits at Mammoth Hot Springs, Yellowstone National Park, are travertine. What rock probably lies somewhere beneath the hot springs?
a.) limestone b.) rhyolite c.) quartzite d.) shale
The forests in the Upper Peninsula of Michigan from which your text book was made are ________
A) suffer from erosion and heavy pesticide use B) have no mature trees C) harvested using ecosystem-based management D) harvested by clear-cutting E) plantation forests of pine and spruce
Which of the following is an intraspecific interaction?
A. Predation B. Mutualism C. Parasitism D. Territoriality E. All of these are examples of intraspecific interactions
The term ___________________ refers to a homogeneous group of people with a common heritage, language, religion, or political ambition.
-none of these is correct -group -core population -people -nation