Smoke is a collection of minute solid, liquid, and gaseous particles. Even though smoke can consist of hundreds of various chemicals and fumes, visible smoke is mostly consisting of carbon or soot, oils, tar, and ash. Smoke is an undesirable by-product of fires but is also used for communication as smoke signals and pest control…

Pollution has been a long-standing problem in our world for a few decades now. It is something that poses harm to the environment, and also to us humans as a result of that. Pollution refers to when there are contaminants that pose harm to the environment, and there are four main types of it. Air…

A truly wonderful and magical material, plastic was invented in the year 1907 by Leo Hendrick Bakeman in New York, United States of America. This wondrous material was made from phenol and formaldehyde in a cheap and easy method. Ever since this revolutionary invention, the world as we knew it changed. Plastic replaced many materials…

eBooks are the digital format of printed books available on computers and handheld electronic devices and include texts and images and sometimes audio, video, and various links to websites. Generally, eBooks are purchased through the internet, but some are accessible for free. In 1971, Michael S. Hart digitized the U.S. Declaration of Independence and provided…

Millions of polythene bags are given out to customers by supermarkets and stores to carry their goods in. They are also cheap, durable, light, easy to carry and in many cases, free. The most regularly used shopping bag is made of high-density polythene, which is used in most supermarkets and stores. Despite being aware of…