Question: A data analyst is using the unite ( ) function to combine two columns into a single column. What does the sep parameter of the

A data analyst is using the unite() function to combine two columns into a single column. What does the sep parameter of the unite() function represent?
1 point
The vector of columns to join into the final column
The data frame that is the target of the operation
The name of the final column formed from the original columns
The strings to place between each column

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