Sedimentary rocks form beneath the surface of the earth. 
Mummified fossils are commonly found in cold climates. 
<em>[ They are formed when remains are buried rapidly in dry cold or hot environments ]</em>
The main reason why such a large portion of the population during this time in the United States shifted from rural to urban areas was because industrialization had created many more employment opportunities in the city factories.
John Maynard Keynes (A), Adam Smith (C), and Karl Marx (D) are all famous historical figures. However, Sigmund Freud was not an economist but instead was a famous psychologist.
It is important because without it citizens would not be able to choose the people who will run their government. It is also a major responsibility. Those that do not vote are failing to carry out a civic responsibility. They are also handing over their political power to views they may oppose.
