A .xlsx file tells you that the file is an Excel workbook that utilizes XML files to create the various spreadsheets as well as macros and other hidden codes used to perform certain functions (which is why there's an X at the end; older .xls files had no indication of this external code being present, which is why they're almost never recommended for modern use).
That is incorrect. It is only contagious if blood is injected into person who is not infected.
carbon-composition resistors, carbon-film resistors, and metal-film resistors
No hablo español lo siento
I believe the answer is:
1. Prepare the data
2. Select all data
3. Use the copy command
4. Open new file
5. Use the paste command
I really hope this helps! Good luck!