This page is a discussion of how many people get suspended, a generic yet good guide for those new to twitter. http://www.skepticalartist.com/2013/05/12/things-that-can-get-you-suspended-from-twitter-for-and-how-to-get-your-account-restored/
This link walks through the steps in appealing a suspension: http://www.lucrazon.com/how-to-restore-suspended-twitter-account
This link explains how some people can try to maliciously get your account suspended/banned, and often succeed: http://blog.tweetsmarter.com/twitter-downtime/how-stop-people-from-getting-your-twitter-account-suspended-by-mass-action/
After losing 3 accounts in a few months, I finally found a list of 'rules' for posting, following them (mostly) has helped me keep my account posting now for over a year.
Since Twitter has recently suspended both @SteveSGoddard and @Tan123 accounts, it may be that another group inimical to free speech and dissident viewpoints re Climate Science is working to kill dissent and dissenter's accounts. Hopefully this little guide will help you keep YOUR account safe and posting truth to the green power establishment.