Which type of erosion occurs from the contact of raindrops with sediment, thus loosening them up?
A. rill erosion
B. splash erosion
C. gully erosion
D. overland erosion
E. sheet erosion
B
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The success of emissions trading programs in limiting pollution depends primarily on
A. the size of the initial cap only. B. how often the cap is lowered only. C. the size of the cap and how often it is lowered. D. the danger of the pollutant being limited. E. the participation of local airports.
Weather forecasts can be inacurate due to: a. failure to capture small-scale weather features
b. the limited geographical boundaries of computer models. c. inherent flaws in computer models. d. All of these choices.
In which direction does Rush Creek flow?
The question is based on this contour line map with elevations shown in feet.
• North is to the top of the map.
• Streams are shown with dashed lines.
• A graphic scale for measuring horizontal distances is shown below the map.
• Estimate elevations between contour lines to the nearest half-contour interval; assume that the top of a
hill is one-half-contour interval higher than the highest contour line shown.
What will be an ideal response?
The principle of relative age dating which can be used to determine when the river formed on the landscape is the principle of
A) crosscutting relations.
B) inclusions.
C) original horizontality.
D) superposition.