Loess is transported by ________ and is important because ________.
A) flowing streams; it tends to braid streams and dam the water
B) mass-wasting processes down slopes; it can cause debris avalanches
C) wind around glaciers; it is fertile
D) flowing streams; erodes very quickly
C) wind around glaciers; it is fertile
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What are the 2 types of Cyclic Global Change?
a. Physical cycles and chemical cycles b. Biological cycles and chemical cycles c. Physical cycles and biogeochemical cycles d. Repeatable cycles and non-repeatable cycles
Carcinogens may be difficult to identify because ________
A) there is no way to measure the carcinogenic potential of a substance B) they are the least common toxicants C) there is a long lag time between exposure to the agent and disease D) they are rare in nature E) most are invisible
The solar constant is
A. only about a quarter of all energy emitted by the sun. B. the same value for all planets, even Neptune. C. the same for a sphere or for a circle. D. consistent amount of energy received at the top of the atmosphere.
Which of the following deep-water fish was original called the slimehead and is now on the Seafood Watch List of fish to avoid purchasing?
A) Alaskan Salmon B) Chilean Seabass C) Greenland Halibut D) Orange Roughy E) Patagonian Toothfish