Which of the following statements is true regarding the energy diagram provided? 

i. The reaction is endothermic.

ii. Activation energy would be less than + 10 kJ after a catalyst is added.

iii. The reaction absorbs energy.

iv. Activation energy would be greater than + 10 kJ after a catalyst is added.

a) I only            b) II only      c) I and III         d) II, III and IV