The correct answer is <u><em>placer mining</em></u>
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Answer:
It can impact the cost of living, doing business, borrowing money, mortgages, etc. Consumers have more money to buy goods or services, and the economy benefits and grows.
<em><u>In the 3rd Century BC, Archimedes: invented</u></em><em><u> </u></em><em><u>the sciences of mechanics and hydrostatics.discovered the laws of levers and pulleys, which allow us to move heavy objects using small forces. invented one of the most fundamental concepts of physics – the center of gravity.</u></em>
Most Americans could not embrace Woodrow Wilson idea of a league of nations