The correct answer is A. Technological advances such as s<em>team power, air brakes, automatica lubricators and steel tracks</em> have affected the railroads very positively, since it has made it possible that the rail network could become a safer, more efficient and more reliable means of transportation for goods.
Answer:
D
Explanation:
The first tribes of the east used to be nomads the allways followed there prey, survival of the fittest.
Henry Ford invented mass production, also known as the assembly line. He wanted to build a car for the rich. So he produced a car that everyday people, like workers in his factories could afford. He <span>figured that if he paid his factory workers a better wage, more of his workers would be able to afford the cars that they helped construct. Henry Ford would make a profit by selling more cars.</span>
An Islamic person because of the word Muslim
Antarctica, as we know it today, is located at the south pole. However, it was not always there or so cold! Around 500 million years ago, during the Cambrian period, Antarctica was actually closer during Earth's equator! Due to continental drift, Antarctica was attached to Australia and shifted more to the south during the time of the dinosaurs. The first fossils found were of marine reptiles called plesiosaurs. They were found on Seymour Island in 1982. The first dinosaur fossil found was of an ankylosaur. It was found on James Ross Island in 1986.