Select the best answer:
1. Consider the following statements:
(a) Heavy water is used as a coolant in nuclear reactors.
(b) The energy produced in a nuclear fusion reaction is much more than that produced during fission.
Which of these statement(s) is/are correct?
(a) Heavy water is used as a coolant in nuclear reactors.
(b) The energy produced in a nuclear fusion reaction is much more than that produced during fission.
Which of these statement(s) is/are correct?
2. Boron rods in a nuclear reactor are used to __________.