I just took a test in school today. What question was I asked?

Question I was asked: Which two activities use most of the water used in an average U.S. household?

I just took a test in school today. What question was I asked?

Question I was asked: What is the best way for a marine scientist to determine the eating habits of sharks?

I just took a test in school today. What question was I asked?

Question I was asked:
What would be the result of adding one proton to an atom?