two
To make an em dash, you just type in two hyphens with spaces before and after -- the word processor will change it into a "long dash."
Yes
— Just remember that when using hyphens, they are hyphens, not –, and – should be used for between times like this Come to Answers.com between 7 – 8 The Answer to the questions is "On-site"
A single dash that is used to connect words to create a compound word.
When text is followed by two hyphens and then a space, the two hyphens are often changed to an em dash (—) in some word processing programs and websites with automatic formatting. It is used to indicate a break in thought or emphasize a statement within a sentence.
There are no hyphens in the word ago.
You use hyphens to make compound words that are not recognizable in common usage.
Because hyphens are dashes. Word changes double dashes into em dashes (the long dashes) automatically if there is a space before and after the double dash.
If you are referring to the automatic replacement that occurs in Microsoft Word, the two dashes change to what is called an em dash.
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Hyphens not needed
sisters-in-law