Michael Faraday - Carbon Quotes
2 Sourced Quotes
You will be astonished when I tell you what this curious play of carbon amounts to. A candle will burn some four, five, six, or seven hours. What, then, must be the daily amount of carbon going up into the air in the way of carbonic acid!... Then what becomes of it? Wonderful is it to find that the change produced by respiration... is the very life and support of plants and vegetables that grow upon the surface of the earth.
A man in twenty-four hours converts as much as seven ounces of carbon into carbonic acid; a milch cow will convert seventy ounces, and a horse seventy-nine ounces, solely by the act of respiration. That is, the horse in twenty-four hours burns seventy-nine ounces of charcoal, or carbon, in his organs of respiration to supply his natural warmth in that time..., not in a free state, but in a state of combination.