Your cousin lives near a nuclear power plant and is concerned about the white smoke he sees coming out of the giant smokestacks at the nearby nuclear power plant. To lessen his fears, you should inform your cousin that ________
A) the smoke is actually steam coming from cooling towers and that the water producing the steam did not come from the reactor core
B) nobody has ever been killed or injured from an accident at a nuclear power plant
C) the amount of radioactivity in the fuel rods of a functioning nuclear power plant is so low that there would be nothing to worry about, even if the power plant were to fail and release all of its radiation into the air
D) the smoke is being generated by the connected coal power plant that provides backup electricity to the nuclear power plant
A
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The largest form of precipitation is:
A) rain. B) snow. C) drizzle. D) graupel. E) hail.
Which of the following is true?
A) Reactions with low activation energies are rapid. B) The activation energy for an exothermic reaction is negative. C) both a and b D) neither a nor b
A map scale 1:5000 would be better for showing city streets than a map of scale 1:500,000
Indicate whether the statement is true or false.
The geologic rock cycle presents an orderly transition from igneous to sedimentary to metamorphic rocks. However, there are also some alternative transitions that bypass part of the rock cycle
Which of the following is the best example of one of those bypasses? A) Igneous rocks are weathered and eroded to become sediments. B) Metamorphic rocks are melted to become magma. C) Magma cools and crystallizes to form igneous rocks. D) Sedimentary rocks are weathered into sediments, which become lithified into sedimentary rocks.