While what you say is technically correct, it's not very nuanced. No words, just data: http://upload.wikimedia.org/wikipedia/commons/f/f4/Carbon_Monoxide_conce

While what you say is technically correct, it's not very nuanced. No words, just data: http://upload.wikimedia.org/wikipedia/commons/f/f4/Carbon_Monoxide_concentrations_in_spring..jpg http://upload.wikimedia.org/wikipedia/commons/f/f4/Carbon_Mo...