Answer:
a. True
Step-by-step explanation:
Data visualization are defined as the representation of the data and information in graphical way. The data visualization tool uses charts, diagrams, graphs, maps, etc. to represent and visualized the information and understand the patter or trend in the data.
It is an effective way to interact with the user and works likes a form of a visual art.
Thus interactivity and data representations are the two important aspect of the data visualization.
Hence, the answer is true.