Coal-mining region deposits include both lignite (brown coal) and black coal. The premier producing areas for Australian coal are the Bowen Basin in the state of Queensland, the Hunter Region in the state of New South Wales, and the Latrobe Valley in the state of Victoria. China is currently the world's largest coal miner, and it is also the largest consumer of coal in the world. China’s coal output has continued to increase and its production capacity has expanded at an unprecedented rate, with an annual increase in production of 200 million tonnes on average. In 2012, the total output of coal
What If?: Serious Scientific Answers to Absurd Hypothetical Questions What If?: Serious Scientific Answers to Absurd Hypothetical Questions What If?: Serious Scientific Answers to Absurd Hypothetical Questions is a non-fiction book by Randall Munroe in which the author answers hypothetical science questions sent to him by readers of his webcomic, "xkcd". The book contains a selection of questions and answers originally published on his blog "What If?", along with several new ones. The book is divided into several dozen chapters, most of which are devoted to answering a unique question. "What If?" was released in September 2, 2014 and was received positively by critics. In the introduction section of