Answer:
1. Right-click the sheet tab you want to hide, or any visible sheet if you want to unhide sheets.
2. On the menu that appears, do one of the following: To hide the sheet, select Hide. To unhide hidden sheets, select them in the Unhide dialog that appears, and then select OK.
Explanation: have a good day!
Advntage:
provides CPU scheduling, memory management, file management, and other operating system functions through system calls. The other one is that it is a single large process running entirely in a single address space.
Disadvantage: if anyone service fails it leads to an entire system failure
I’m having a hard time understanding your question
Answer:
i need free points im sry
Explanation: