Which has the most potential to cause desertification?
A. overgrazing in Arizona
B. pollution of rivers
C. road construction in California
D. growing corn in Iowa
Answer: A
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Why is oxygen usually an oxidizing agent?
A. It is a very electronegative element. B. It likes to be oxidized. C. It does not undergo reduction. D. It is very abundant and so it is easier to react than nitrogen. E. all of the above
What is the definition of subduction erosion?
A) Sediments from the ocean floor are scraped off a subducting tectonic plate and adhere to the overriding plate. B) Diverging tectonic plates will cause rocks to slide downward along normal faults. C) Glaciers extending off the continent will scour deep grooves in continental shelves. D) Sediment and rock are scraped off the bottom of an overriding plate and transported into the mantle by a descending plate.
Most of the precipitation and evaporation on Earth takes place over which of the following?
A. oceans. B. ice caps and glaciers combined. C. poles of the planet. D. land masses.
________ might happen directly as the result of the removal of an overlying weight from the landscape
A) Hydrolysis B) Mass wasting C) A slump D) Exfoliation E) Soil creep