In neutron moderation, neutrons are slowed down so that: A. they will more likely be absorbed by more atoms in uranium-235.
B. the nuclear fission reactions are slowed down as well.
C. the chain reactions can be slowed down.
D. the control rods will be more effective.

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal