The second nuclear weapons used in warfare over Nagasaki, Japan, contain energy equal about of TNT?
A1.5 kilotons
B25 kilotons
C30 kilotons
D20 kilotons
Correct answer
D. 20 kilotons
Explanation
20 kilotons is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.