Which of the following is both a natural pollutant and a human-generated pollutant in the world ocean?
a. plastics
b. halogenated hydrocarbons
c. chlorinated hydrocarbons
d. PCBs
e. oil
e
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The Intermontane region includes some of the driest places in the United States. What is the primary cause of these low rates of precipitation?
A) The region is located on the leeward (eastern) side of a series of mountain ranges B) The region is located to the west of the Rocky Mountains C) The lack of groundwater in the area keeps humidity low D) The region is affected by cold, dry northern air from Canada
Which of the following statements is true?
A. Areas of complex topography are represented by small triangles in a TIN. B. Areas of complex topography are represented by large triangles in a TIN. C. Regardless of the topography, all triangles are of the same size in a TIN. D. None of these are correct
Steams that add water to the underlying groundwater resource are called which of the following?
a. altruistic streams b. gaining streams c. losing streams d. perennial streams e. rejuvenated streams
Air masses that migrate far from their source regions become modified in physical characteristics and form secondary air masses
Indicate whether the statement is true or false