Sedimentary rocks are a formed below earths surface as magma b a type of foliated igneous rock c formed by great heat d formed from already existing rocks that are weathered and eroded

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.