Carbon dioxide (CO 2 ) This gas is produced when anything organic is burned, and has no direct health effects - in fact the human body produces it when you breath out.
(This gas; is produced; T:when anything organic is burned) (anything organic; is burned; ) (the human body; produces; it; T:when you breath out) (you; breath out; )
This gas anything organic the human body you
is produced is burned produces breath out
T:when anything organic is burned
it T:when you breath out