In the San Francisco Bay area, during the nineteenth century, earthquakes with magnitudes greater than 6 were much less common than in the 20th century.
Answer the following statement true (T) or false (F)
False
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Greenwich mean time (GMT) is a system of
A) coordinating rules for what time should appear on a clock, around the world. B) determining what years should be considered leap years and which should not. C) identifying the phase of the lunar cycle. D) determining when daylight savings time should go into effect.
The characteristic type of sedimentary rock shed off of the Ancestral Rockies uplift blocks was black shale
a. True b. False
Which of the following minerals contain independent silicon-oxygen tetrahedra in its lattice structure?
a) amphibole b) feldspar c) olivine d) pyroxene e) mica (biotite, muscovite, etc.)
Mutualistic relationships between bacteria and certain root nodules play an important role in the global cycling of ________
A) nitrogen B) rock C) carbon D) phosphorus E) water