Which of the following is an example of a primary amine?
A) CH3NH2
B) CH3CH2NH2
C) CH3CH2CH2NH2
D) all of these
D
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To define a riparian zone, a government agency will most likely use a vector-based buffering operation, rather than a raster-based physical distance measure operation. Why?
What will be an ideal response?
Each of the major continents at the beginning of the Paleozoic can be divided into two major components, a(n) ____
a. trough and a range b. craton and a mobile belt c. immobile belt and a rift margin d. craton and an ocean basin e. immobile belt and a mobile belt
Which of the following geologic hazards was NOT discussed for the area around St. George, Utah?
A. earthquakes from a fault along the Hurricane cliffs B. volcanic eruptions C. flooding from the main river D. flash flooding from the mountains E. All of these were discussed.
A close-fitting mosaic of gravel-sized stones that overlies a deposit of mostly finer-grained sediments in a desert is called _____
a. desert pavement b. a mesa c. a ventifact d. arroyo e. an erg