Row height changing with text size

For some reason the height of the rows in one of my spreadsheets is increasing/decreasing in size when the text in the cells of that row is made larger/smaller.

It wasn’t doing this before… how do I make it go back to producing arrows with the text running out of view when the text is too large to fit in the cell, and not decreasing the row height when text size is decreased?

I want the row height and text size adjustments to be separate, as they were and as they should be.