Which of the following minerals would best be utilized for extracted iron to make steel?
A) hematite
B) dolomite
C) quartz
D) talc
Answer: A
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A regional meamorphic rock that has both igneous and high-grade metamorphic characteristics is a(n)
a. schist. b. amphibolite. c. migmatite. d. granitite.
Volcanic activity in Hawaii is beneficial in all the following ways except ________.
A. burying existing residential land B. bringing in tourists C. building new land D. creating fertile soil
A higher 16O to 18O ratio in oceans indicates a ________ climate, whereas a lower 16O to 18O ratio indicates a ________ climate
A) colder; warmer B) warmer; colder C) cooler; cold D) warmer; hot E) cold; hot
________ are narrow currents that flow straight out to sea in the surf zone.
A. Tidal currents B. Body currents C. Rip currents D. Swash currents E. Longshore currents