The Environmental Protection Agency (EPA) was proposed by the President Nixon, this Agency followed a set of measures aimed to improve air quality, to avoid water pollution, to reduce the emission of dangerous fumes and to invest in preventive strategies against oil spills. The EPA had many responsibilities in the United States, two of them were to research about pollutants and to set standards for factories to reduce their impact on the environment.
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California Gold Rush in the mid 19th - Century.
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Newton discovered gravity. The discovery of gravity .. Newton argued that the main force in the universe, although it was very much clear to Newton that gravity basically affected all objects on Earth and including in space.
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i think it might be d im not sure tho
Explanation:
I think the first questions' answer is two, the second questions' answer is answer is two and the third questions' answer is number three. Hope this helps.
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