Answer:
C. In a diagram, it is easier to identify the parts inside the copier.
Step-by-step explanation:
Based on the information given the reason why a DIAGRAM will be more effective than a photo is that a DIAGRAM is an illustration that will effectively help to show and explain in details and in a clear way the exact way all the parts inside a copier look like and how the copier work which will inturn enables the repairer to easily identify all the parts inside the copiers and the exact parts to fix the jams that occured while a PHOTO on the other hand cannot Effectively illustrate and identify each parts of the copier.
Therefore DIAGRAM is more effective than a photo because it is more easier to identify the parts inside the copier.