Answer:
Im pretty sure this is what you mean Corrosion of Copper in the Atmosphere When oxidation occurs with iron, the result is called rust. A penny with a high copper content won't disintegrate in air, because once a surface layer of copper oxide forms it prevents further corrosion.
Answer: Discovery of Gold at Sutter's Mill and Cheap Land Prices
Explanation: Hope this helps <3
Answer:
My first expedition was to reach India.
Explanation:
Public schools are helpful to recent
immigrants as they help them to become assimilated to the American culture.
Recent immigrants may have a problem understanding the English language which
is key to accessing services and employment. Through teaching them, they make
it easy for them to be integrated in American society
