The Battle of Fort Sumter (April 12–13, 1861) was the bombardment of Fort Sumter near Charleston, South Carolina by the Confederate States Army, and thereturn<span> gunfire and </span>subsequent<span> surrender by the United States Army, that started the American </span>Civil War<span>.</span>
Carbon, or carbon dioxide, concentrations in the atmosphere have increased. The burning of fossil fuels is the cause of the increase in carbon or carbon dioxide concentrations in the atmosphere.
More CO2 is dissolving into the ocean as a result of increased levels of carbon dioxide in the atmosphere caused by humans. The average pH of the ocean is now around 8.1, which is basic (or alkaline), but as the ocean absorbs more CO2, the pH drops and the ocean becomes more acidic.
Carbon dioxide gas in the atmosphere dissolves into the ocean, causing ocean acidification. This lowers the pH of the water, making the ocean more acidic.
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How did the federal government try to change public opinion about U.S. involvement in World War I?
Government agency during World War I that sought to shape public opinion in support of the war effort through newspapers, pamphlets, speeches, films, and other media. Led by George Creel aggressively campaigned against all things German and encouraged immigrant to become "Unhyphenated Americans".
