There are always hundreds of questions amid the tingle of nervous excitement before the start of a grand prix.
The great unknowns only add to the sense of anticipation and hype - and with pre-season testing proving exceptionally tricky to read, we head into the 2012 season-opener with only a vague idea of what to expect.
To try and shed some light on the burning issues we asked you to send in your questions, and then posed them to our resident F1 editor Edd Straw on one of his rare breaks from touring the Melbourne paddock.
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