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The transfer of energy between algae and herbivores is about A. 1 percent. B. 2 percent. C. 5 percent. D. 10 percent.
Weegy: D. 10 percent (More)
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Asked 7/25/2012 12:46:40 AM
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Manganese nodules are A. manganese salts that concentrate when seawater evaporates. B. lumps of manganese and other metals found on the ocean floor. C. deposits of manganese and iron deep under the ocean floor. D. chunks of pure manganese found in deep-sea trenches.
Weegy: C. deposits of manganese and iron deep under the ocean floor.Polymetallic nodules, also called manganese nodules, are rock concretions on the sea bottom formed of concentric layers of iron and manganese hydroxides around a core. [ The core may be microscopically small and is sometimes completely transformed into manganese minerals by crystallization. When visible to the naked eye, it can be a small test (shell) of a microfossil (radiolarian or foraminifer), a phosphatized shark tooth, basalt debris or even fragments of earlier nodules. ] (More)
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Asked 7/25/2012 12:49:29 AM
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