The competence of a stream depends on:
a. stream velocity
b. stream discharge
c. area of the cross section of stream
d. stream volume
Ans: a. stream velocity
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The practice of suspending rust particles in contaminated water, and then drawing out the rust with hand-held magnets, has been effective in dealing with
a. DDT contaminated water b. arsenic contaminated water c. oil contaminated water d. heavy metal contaminated water e. acidified water secondary to acid rain
There are five small glaciers shown on this map (glaciers are shown as white patches with blue contour lines). Why can glaciers survive today in these locations but not in others?
The question is based on Map T-13, the “Mono Craters, California” quadrangle (scale 1:62,500; contour interval 80 feet), and Figures 48-5 and 48-7, a detailed map and stereogram, and Map T-23a, a satellite image, of the same region. The heavily glaciated eastern crest of the Sierra Nevada is seen along the western sides of the map and stereograms (37°52'37"N, 119°12'40"W). During the Pleistocene, glaciers in this region flowed down the valleys of the eastern slope of the Sierra toward the Mono Lake basin to the northeast. Large lateral moraines are found at the mouths of each canyon. What will be an ideal response?
What type of volcano is short-lived, relatively small, and is commonly on the flanks of other volcanoes?
A. Caldera B. Shield C. Dome D. Cinder cone E. Composite
The moon and Earth remain in a stable orbit due to their mutual gravitational attraction being offset by inertia
Indicate whether the statement is true or false