These areas are named triple junctions and can be found in several places across the world today. The separated margins of the continents evolve to form passive margins. Hess' theory was that new seafloor is formed when magma is forced upward toward the surface at a mid-ocean ridge.
Answer:In 1947, Salk took a position at University of Pittsburgh, where he began conducting research on polio, also known as infantile paralysis. By 1951, Salk had determined that there were three distinct types of polio viruses and was able to develop a "killed virus" vaccine for the disease.
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C) A large supply of commercially bottled water as well as bleach for water purification
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Bottled Water is not a hard substance that could exacerbate an earthwake hazard. It may even relieve the situation in cases of fire outbreaks
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The best answer would most likely be C)The Ku Klux Klan.
