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.
Definition: A worksheet or sheet is a single page in a file created with an electronic spreadsheet program such as Excel or Google Spreadsheets.A worksheet is used to store, manipulate, and display data. Each worksheet is composed of a very large number cells-which are the basic storage unit for data in a file or workbook.efinition: A worksheet or sheet is a single page in a file created with an electronic spreadsheet program such as Excel or Google Spreadsheets.