please answer both questions quickly and I will rate!!!

Question 21 2 pts Excel uses sheet tabs to identify each of the worksheets in a spreadsheet. Where are these tabs found? Upper right-hand corner of the workbook window Lower right-hand corner of the workbook window Lower left-hand corner of the workbook window Upper left-hand corner of the workbook window Question 22 2 pts A cell range is a group of cells. A non-adjacent range of cells is a rectangular block of cells. An adjacent range of cells is two or more non-adjacent ranges True False