Answer:
Geochronology. The two igneous clasts—an andesite clast and a metatonalite clast—separated from the upper Pottsville Formation yields an age of ∼323 and ∼295 Ma, respectively.
B. By showing that the meatpacking industry did not have high standards of safety and cleanliness.
Throughout much of human history, money took the form of precious metals, coins and even raw materials like livestock or vegetables. The inception of paper money ushered in a bold new era—a world in which currency could purchase goods and services despite having no intrinsic value.While early human societies made extensive use of stone, bronze and iron, it was steel that fueled the Industrial Revolution and built modern cities. Evidence of steel tools dates back 4,000 years, but the alloy was not mass-produced until the invention of the Bessemer Process, a technique for creating steel using molten pig iron, in the 1850s.
The correct answer is C. The Federal Deposit Insurance Corporation protects Americans in the event of bank failures, as the agency guarantees deposits of up to $250.000 in member commercial banks, helping to maintain the solvency of the United States financial system and allowing depositors not to worry about their money.
