what is taking place in a reaction as the curve on a reaction pathway graph goes up?\nheat is being…

what is taking place in a reaction as the curve on a reaction pathway graph goes up?\nheat is being released.\nheat is being absorbed.\nthe reaction has stopped.\nthe reaction is slowing down.
Answer
Answer:
Heat is being absorbed.
Brief Explanation:
On a reaction - pathway graph, when the curve goes up, the energy of the system is increasing. This indicates that heat is being absorbed by the reactants to reach a higher - energy transition state.