Which tab in Microsoft Word 2010 contains groups of commands for proofing documents, language settings, and comments?

In Microsoft Word 2010, a tool that is used to copy formatting from one piece of text to another is known as _______.

In Microsoft Word 2019, the subscript and superscript options appear in the ________ group of the ________ tab.

What is the shortcut key to italicize text in MS Word?