Plants are carbon based, they also contain water as well. The element that makes up wood is born electron and saliumn.
methynol
carbon, hydrogen, and oxygen. it is called glucose, fructose, saccharose, lactose, ....
It is an element
Tin itself is an element, abbreviated Sn, from the Latin Stannum.It's atomic number is 50 and its mass 120amu. See Wikipedia "tin" for details.