Answer: question mark

[green-grrl.livejournal.com]

tejas asks: Should the sentence "Are you really sure you want to do that or would you rather live another day" end with with a period or a question mark?

Punctuation marks are cues to the reader as to how the text should sound. Commas indicate pauses, exclamation points indicate loudness or excitement, and question marks indicate the rise or fall of voice that comes with a question. ( Click here for the breakdown, with some examples from Stargate: SG-1. )