Using either Microsoft Word, Wordpad or Textedit. There are also the traditional means of a pen/pencil and paper or a chisel and large granite tablets if you find yourself striving for greater aestetic appeal.
there is a lot of contributions of plastic in human lives, it provides many equipments that are used in hospitals, and also as an alternative cheaper source of raw materials. it is very important...
Humans need oxygen right? Well, humans emit carbon every breath. The carbon goes to a plant, and enables the plant to use photosynthesis. After photosynthesis, the plant emits oxygen.