Answer:
visible light I know for a fact that is the answer
The answer is 'by not fulfilling expectations'. The other options don't really surprise the reader, and if the plot is going into one direction, and then what you'd expect to happen doesn't actually happen, you are surprised, and the element of irony is achieved.
Answer:
Have them compared to something they like and have them learn A,B, thhen keep an adding
Explanation: