Why does Bowen's reaction series predict that mafic intrusive rocks should be much more common
than felsic intrusive rocks? What will be an ideal response?
If crystal settling produces the magma, there would need to be about 10 times as much mafic magma
present to yield the amount of felsic rock.
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What is most significant factor responsible for the transport of large quantities of sediment along the coast?
a. Waves b. Longshore Current c. Storms d. Tides
Which of the following best matches the description?Material that absorbs the energy from neutrons released by fission.
A. radiation B. nuclear fusion C. nuclear breeder reactor D. transuranic waste E. heavy-water reactor F. moderator G. decommissioning H. alpha radiation I. gamma radiation J. rem K. thermal pollution L. nuclear fission M. radioactive half-life N. beta radiation O. U-235 P. light-water reactor
Discuss the benefits and environmental disadvantages of modern?day landfills in the United States
What will be an ideal response?
Which one of the following would most likely be covered with thick turbidite layers?
A) ocean floor around a conical-shaped seamount B) upper part of a steep, narrow, submarine canyon C) axial rift zone of an active mid-ocean spreading center D) deep-sea fan at the base of a continental slope