The graph below shows a reaction to which a catalyst has been added. How would the graph be different if it showed the same reaction without a catalyst? A. The width of region 2 would be smaller.

B. The difference in the heights of regions 1 and 3 would be larger.

C. The height of region 2 would be larger

D. The distance between regions 1 and 3 would be smaller

Joseph has hypothesized that sound travels in waves. if he were following the scientific method, what should he do next? a. ask a question. b. test the hypothesis. c. study the results. d. tell other scientists about his hypothesis.

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device