The statement that "Newton knew what gravity did but he could not explain why gravity did it is the basic difference between? A. A scientific law and a scientific theory

B. A scientific theory and a societal law

C. A scientific law and societal law

D. A hypothesis and scientific law

Why is it important for scientists to review and repeat the work of other scientists? 1.a scientific theory must be tested three times before it is proven. 2.the scientific method only applies to repeated experiments. 3.an experiment may have had errors that the scientists didn't recognize. 4.the results of individual scientists may be influenced by bias. 5.an experiment must be performed twice before the data can be analyzed.