Which of the following techniques can be used to generate DEMs?
A. InSAR
B. Optical sensors
C. LiDAR
D. All of these are correct
E. Only Optical sensors and LiDAR
Answer: D
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Approximately how many maquiladoras were along the U.S border with Mexico by 2000?
A) 5 million B) 1 million C) 3,000 D) 5,000 E) 200
The collision-coalescence process of precipitation formation is effective when: a. cloud temperatures are above freezing
b. cloud temperatures are below freezing. c. clouds are composed exclusively of ice crystals. d. None of these choices.
The Northern Hemisphere polar jet stream migrates southward in winter and northward in summer
Indicate whether the statement is true or false
Which of the following would be most useful in investigating groundwater contamination?
A. a map showing contours of the water table and of contamination levels B. records of health problems, like leukemia, of people living in the area C. records of how much material the company may have spilled D. a geologic map