Please answer it’s timed

The north and south regions had very diferent economies in the 1800s.

Jason works as an accountant in a department store. he needs to keep a daily record of all the invoices issued by the store. which file naming convention would him the most? a)give the file a unique name b)name the file in yymmdd format c)use descriptive name while naming the files d)use capital letters while naming the file

The managing director of a company sends a christmas greeting to all his employees through the company email. which type of network does he use? he uses an .