Which of the following statements is true? A. The rate of all chemical reactions doubles for every 10 oC increase in temperature. B. Decreasing the activation energy of a reaction decreases the reaction rate. C. Catalysts increase the reaction rate without getting used up in the reaction. D. All of the Above E. None of the Above

the old alchemists made significant contributions to science even though there starting premises were off a bit. their conclusions after failure would steer them into better directions for investigation. science is no more than close observation and the initial mistakes result in rethinking and retrying experiments.

they it depends on if one believes about radioactivity, they make a geiger counter beep but maybe it was going to beep anyway electronics do wierd things all the time or it was programmed to beep near certain metals.