How are silt deposits called loess related to glaciers?
A) They accumulate in lakes trapped behind glaciers.
B) They form in lakes as the lakes dried up at the end of the ice ages.
C) They were deposited by large glacially caused floods in the Pacific Northwest.
D) They are wind-blown accumulations and commonly are derived from glaciers.
D) They are wind-blown accumulations and commonly are derived from glaciers.
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The 24-unit tidal power plant at the La Race River estuary in France can generate, at peak operating capacity, enough electricity to power about ________ average U.S. homes
A) 24,000 B) 30,000 C) 40,000 D) 50,000 E) 60,000
________ is(are) a common feature of the hydrology of very flat stretches of tropical rainforests
A) Swamps B) Lakes C) Streams running part of the year D) Few streams E) More water in plant life rather than in streams
A mineral property that can be observed without using a test is:
a) effervescence b) magnetism c) hardness d) cleavage e) all of these
________ advocate for steady-state economies because they believe that Earth's natural systems generally operate in self-renewing cycles that can be "tapped" sustainably
A) Ecological economists B) Socialists C) Capitalists D) Cornucopians E) Malthusians