The element that is the main constituent of paper, diamond, and clothes, among others is CARBON. It forms covalent bonds with itself and other elements. It is one of the most abundant and accessible elements on Earth. All organic compounds consist of at least one Carbon atom.
Photosinthisises equation is carbon dioxide + water ⇒ glucose (suger) + water the light is needed to react with the CO² to create the oxygen needded<span />