Carbon dioxide is a inorganic compound (CO2) made up of carbon and two oxygen molecules, proteins are organic compounds of amino acids.
Kylo Ren is the primary antagonist of the upcoming film Star Wars Episode VII: The Force Awakens. He is a member of the First Order and the Knights of Ren, and wields a unique crossguard lightsaber that he constructed himself.
Behind the Scenes. Kylo Ren's look went through various phases during production. In his earliest incarnation, he was an alien with one red eye, and wielded a lightsaber with a Wampa bone for a hilt. Later in production, he was a cyborg, with metal parts covering his face and arms.