Answer:
When you click the attachment button a window pops up allowing you to select the file/s you want to upload
You can also drag and drop file/s this is an alternative method
Explanation:
Microsoft Outlook is a personal information manager software system from Microsoft.
Though primarily an email client, Outlook also includes such functions as calendaring, task managing, contact managing, note-taking, journal logging, and web browsing. Wikipedia
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Among the choices above the answer is C which is <span>of government taxation
To complete the sentece "</span>Ultimately, there exists a ceiling on efficiency because of government taxation