Which photo shows no evidence that the rock has been deformed by movements of Earths crust

What will most likely happen when two bromine atoms bond together?

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.

Which statement best describes what happens when molecular compounds melt