http://www.answerbag.com/profile/278403 New Answerbag answers from joetoorivers Wed, 30 May 2012 00:27:04 -0700 Wed, 30 May 2012 00:27:04 -0700 http://www.answerbag.com/a_view/2173536 Our biology teacher told us that plants give off carbon dioxide (and he wasn't testing us). How can I report an incompetent teacher?<br /><br />your teacher is absolutely right . Do some research before you start your witch hunt. Here is some thing else you likely don&#039;t want to hear. It takes oxygen to rot plants down to compost. Lots of it Wed, 30 Jan 2008 13:56:14 -0800 http://www.answerbag.com/a_view/2173536