The type of chain reaction in which the extra neutrons are prevented from undergoing fission to produce more U235 atoms in a nuclear reactor is a
A) self-amplifying chain reaction that is used in most U.S. nuclear power plants.
B) self-amplifying chain reaction that could lead to a nuclear explosion.
C) sustaining chain reaction using control rods, like that used in most U.S. nuclear power plants.
D) sustaining reaction without control rods, which could lead to a meltdown.
C
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Fill in the blank(s) with correct word
A ____________ _____________can be formed when two tectonic slide and grind past each other at a fracture in the lithosphere
Fill in the blanks with correct word
What is the most common carbonate mineral?
Dolostone Limestone Fluorite Calcite Dolomite
Discuss the development of marine plants to primitive land-based plants to vascular plants to sphenopsids to
gymnosperms. What changes in plant structures were required to make this transition? What will be an ideal response?