Coal was needed in vast quantities for the Industrial Revolution. For centuries, people in Britain had made do with charcoal if they needed a cheap and easy to acquire fuel.What âindustryâ that existed before 1700, did use coal but it came from coal mines that were near to the surface and the coal was relatively easy to get to.The Industrial Revolution changed all of this.Before the Industrial Revolution, two types of mines existed: drift mines and bell pits.hat âindustryâ that existed before 1700, did use coal but it came from coal mines that were near to the surface and the coal was relatively easy to get to. The Industrial Revolution changed all of this. Before the Industrial Revolution, two types of mines existed: drift mines and bell pits.
15 of the Largest Animals in the World. The blue whale (Balaenoptera musculus) is a marine mammal belonging to the suborder of baleen whales. At 30 metres (98 ft) in length and 180 metric tons (200 short tons) or more in weight, it is the largest known animal to have ever existed.
How big is a Blue Whale? The blue whale may be the largest animal ever to inhabit the earth. It may have reached lengths of up to 31 meters (100 feet)--roughly the length of a basketball court. Blue whales have weighed up to 146 metric tonnes (160 tons). They feed on small shrimp-like crustaceans. The whales consume up to eight tons of these animals a day during their feeding period.