Now, I know that science education in the United States sucks big time, but I am not convinced that it sucks enough for someone to confuse such elementary concepts. So, I start suspecting that our YE creationists here are actually Leftist provocateurs. The cui bono rule of thumb certainly suggests such possibility, because painting the conservative movement as ignorant benefits the Left. By, for example, depriving us of the credibility to challenge (using rational arguments) their global warming religion, their beliefs in successful socialist economy, etc.
Mutant CO2.
OF COURSE!
Because liberals project alot!
Your problem is the evidence.
Evidence like show us a high profile liberal that supports creationism.