Which of the following defines the process that decreases the number of slow moving neutrons to prevent the chain reaction in a nuclear reactor from going too fast?

A. isotope division
B. ion acceleration
C. neutron absorption
D. neutron moderation

What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next

When a septic tank backs up a goes in to clean it out