Answer: Brazil independence
Explanation:” September 7, 1822, Prince Dom Pedro declared Brazil's independence from Portugal, founding the Empire of Brazil, which led to a two-year war of independence. Formal recognition came with a treaty signed by both Brazil and Portugal in late 1825.”
High levels of dissolved oxygen
Answer: The Cold War shaped American foreign policy and political ideology, impacted the domestic economy and the presidency, and affected the personal lives of Americans creating a climate of expected conformity and normalcy. By the end of the 1950's, dissent slowly increased reaching a climax by the late 1960's.
Explanation:
Answer:
Explanation:
Acid rain is a kind of rain or precipitation that contains high concentration of harmful acidic pollutants mainly nitrogen oxide and the sulfur dioxide which is released into the atmosphere that reach the earth's surface. It is caused by burning of fossil fuels and other industrial wastes released into the atmosphere that reach with rain and turns the precipitation acidic . The marbles of Taj Mahal is also getting adversely affected due to acid rain.
Acid rain is associated with the Part of USA and Canada for two reasons -natural causes such as volcanic eruption,wildfires and lightning:man made causes such as coal plants and Air pollution from automobiles . An average pH of 4-5.is usually found there (5.6 is normal for atmosphere) .