I'm just straight confused by it​

Name the intersection of plane bpq and plane cpq.

How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %