Question

Someone please give answer with explanation for this question asap! :)
(Answer is "all of these".)​

Answer 1

Answer:

4. all of these

Explanation:

see in the graph the engery is shown to be encreased and the engery increases with the process including exothermic process cuz both are related to heat and thersehold energy is definitely going to be a+c in a clear way suppose a is the half energy then c is the other half and threshold is total of them which is expressed as e