please, need help reviewing

N Review Later Importing Data. Nulls and Blanks Missing, blank or null values can cause a lot of problems in Power Bi, and in other business Intelligence tools. It's important that you understand the difference between these concepts, and how to deal with each of them Match the names to the definitions: Nulls Blanks A. Represents the absence of all data. No data has been collected or entered B. Represents a text string with zera characters. This zero length text string is considered a value