The answer is "chart junk".
Chartjunk alludes to every single visual component in outlines, charts and diagrams that are not important to grasp the data given on the chart, or that divert the viewer from this data. Cases or examples of unnecessary components which may be called chartjunk incorporate substantial or dull network lines, ornamented outline axes and show edges, pictures or symbols inside information diagrams, and fancy shading.
Answer: It is important to identify the problems since this is the first step to their solution.
Explanation: The faster a problem is identified, the faster it is to find a solution. From my personal experience, I can say that problems must be resolved as soon as they appear. When problems are not solved, they can interfere with the person's daily life since they can spend it thinking and it is difficult for them to carry out their daily activities.
I think c or d bc that’s what my teacher told me