Natural gas.
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Answer:
I think it is the first set
The BACKSTAGE VIEW is the area in Microsoft where one can perform file commands such as save, open and print.
The backstage view can be found under the file tab in the excel window. It has many options available and they include the following:info, new, open, save, save as, print, share, export and close. These options give the user the opportunity to perform desired functions on their workbook.
I’ll give a you a good guess because I’ve only deleted a whole conversation like 3 times. I honestly feel like eventually there will be a warning on deleting the full conversation or on the other hand nothing may happen; or that it will automatically stop you from deleting the conversation.
