What have trees to do with making paper?

 

                      Paper is made from wood pulp, which in turn comes from shredded trees.

                      The main trunk is usually used for timber, and smaller sections and branches are shredded up. They are treated with chemicals that break down the structure of the wood into thin fibres. The fibres are pressed flat and dried to make paper. Whole forests are grown to satisfy the huge worldwide demand for paper.

Picture credit: google