Which of the following gives the correct possible values of l for n=4? 0,1,2,3 -4,-3,-2,-1,0,1,2,3,4 0,1,2,3,4

Drug abuse will not lead to physical and psychological dependence. true or false ?

If one fission reaction of a uranium-235 atom produced two neutrons, how many neutrons would be released if the chain reaction occurred three more times?

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.