There are many facilities provided to people in this modern world. Our world has become small global village because of advance means of communication. Machines have provided a great relief to the people. ..
There are many facilities provided to people in this modern world. Our world has become small global village because of advance means of communication. Machines have provided a great relief to the people. ..
Over the last 150 years, the world has relentlessly exploited natural resources to feed the growing appetite for energy. Two and a half centuries since the industrial revolution, the effects of this unchecked ..