1. What characteristics does a scientific hypothesis have? Select the TWO answers that are correct. A) The hypothesis is something that can be tested. B) The hypothesis contains a supernatural element. C) The hypothesis could be proven false. D) The hypothesis is based on an opinion. E) The hypothesis has already been proven correct. 2. Which example describes the set-up of a controlled experiment? A) Ten subjects receive a new drug and another ten subjects receive a sugar pill. B) Twenty subjects with knee pain receive the same treatment to relieve joint pain. C) A doctor treats one subject for a disease and observes how quickly the patient recovers. D) Researchers collect lifestyle data from fifty questionnaires submitted by subjects with the same disease. E) Fifteen subjects with the common cold take a cold medicine and answer questions about its effects. 1. A, C 2. A
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