Interactive (definitions, icons, linguagraphics and quizzes) ‘…without being aware of it. Martina changes carbon monoxide into carbon dioxide, then Arturo changes the carbon dioxide into oxygen, even from inside that shed. Martina is extremely good at what she does. The science argues that the energy spent when changing carbon monoxide to dioxide is huge…’ Maria… Continue reading Madrid, episode 22: Photosynthesis, 175 (simple)