Which of the following is true about theories? (1 point)%0D%0AResponses%0D%0A%0D%0ATheories are formulated after one investigation produces groundbreaking results. %0D%0ATheories are formulated after one investigation produces groundbreaking results. %0D%0A%0D%0AThey are formulated after several repeated investigations produce the same or similar conclusions. %0D%0AThey are formulated after several repeated investigations produce the same or similar conclusions. %0D%0A%0D%0ATheories are formulated during an experiment when a scientist predicts what is going to happen. %0D%0ATheories are formulated during an experiment when a scientist predicts what is going to happen. %0D%0A%0D%0AThey are formulated before an experiment begins so that scientists can properly conduct the experiment.