Which of the following statements about a hypothesis is true?
A) A hypothesis is an explanation for a scientific phenomenon that has been repeatedly tested for many years and never disproved. B) A hypothesis can never be disproved. It can only be proved. C) A hypothesis is the initial observation of a natural phenomenon that leads to a question. D) A hypothesis is the question that stems from the observation of a natural phenomenon. E) A hypothesis is used to make a prediction about a future event that can later be observed or tested experimentally.