Question

You performed an experiment to find out how strong the net below a trapeze should be to safely catch a performer of mass 80 kg. Which of the following is a new scientific question that can be investigated in the laboratory?
A. It is more exciting to watch a trapeze artist without a net?
B. How long can you use the net before it breaks?
C. Is trapeze more or less exciting to watch than gymnastics?
D. Should trapeze artists wear red or blue outfits?

Answer 1

    They tell you what the scientists are looking for in the experiment, "find out how strong the net below a trapeze should be". Using that you find out that the only question that questions the strength of the net is B.  

Answer 2

The answer would be b