A self-amplifying reaction and a nuclear explosion in a nuclear power plant are prevented in large part by ________
A) the production of plutonium-239
B) the regular addition of uranium-239 to the fuel
C) control rods that absorb neutrons
D) "sponges" that absorb liquefied uranium that leaks out of the reactor core
E) fuel rods that absorb tremendous amounts of heat
Answer: C
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____________________ is the best way to reduce threats from invasive species
Fill in the blanks with correct word
In the process of osmosis,
A) water diffuses from an area with a high concentration of water molecules to an area with a low concentration of water molecules. B) water moves from an area of lower solute concentration to an area of higher solute concentration. C) water moves into cells. D) both A and B
If the DIRECTION OF DIP of a bed is east, its STRIKE DIRECTION must be:
a) due west b) north-south c) North 45° East d) North 45° West e) dip direction of a bed is not related to the strike direction
Compare and contrast the National Forest Management Act and the Healthy Forests Restoration Act
What will be an ideal response?