In a nuclear reactor, the moderator is: a usually made of graphite b placed between the fuel rods c used to slow down neutrons d all of the above e none of the above

Which of the following “invisible” marks represents an inserted tab?

Why would a programmer use the logical operator and in an if statement? a: when an action is to be taken that requires both conditions to be falseb: when an action is to be taken that requires both conditions to be truec: when an action is to be taken that requires the first condition to be falsed: when an action is to be taken that requires the second condition to be truei took the test and the answer is b.

What side length would you specify if you were required to create a regular hexagonal plate that was composed of 33 cm(squared) of sheet metal? dimension the side length to 0.1 cm