Hydrogen, oxygen and nitrogen are counted as some most important elements and found abundantly. About 75% of this universe is composed of hydrogen and helps different other matters to sustain. Large starts and planets, electrons and protons are also composed of hydrogen.
A sheet tab appears at the bottom of your worksheet. It has the name of the worksheet on it, which can be changed and you can also change its colour. This can be done by right clicking on it and picking the option from the shortcut menu that appears. By clicking a sheet tab, you can make that sheet the active sheet so that you can work on it.
Quickly delete unused blank rows or columns from selected range/active sheet/all sheets. With Kutools for Excel Delete Hidden (Visible) Rows & Columns utility, Excel users can quickly delete all unused rows or columns from specified selected range, active sheets, multiple selected sheets, or all sheets with ease in Excel.