In the graph to the right it shows the activation energy needed in a reaction. assuming that both lines a and b are of the same reaction which line likely had an enzyme present? how do you know?

common management practices in dairy and poultry farming are: (i) proper shelter facilities and their regular cleaning. (ii) some basic hygienic conditions such as clean water, nutritious food, etc. (iii) animals are kept in spacious, airy, and ventilated place.

a and c are the answeres