Question 4 of 10 Rods made with non-fissioning material are inserted into the fuel tank to:
O A. speed up the chain reaction by releasing free neutrons.
B. slow down the chain reaction by absorbing uranium-235.
O C. speed up the chain reaction by increasing the concentration of
uranium-235.
O D. slow down the chain reaction by absorbing free neutrons.
SUBMIT

D. Slow down the chain reaction by absorbing free neutrons

Explanation: just got it right on the quiz A P E X

metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

if it's not useful, feel free to report for mistake in answer.