Alexander Graham Bell's greatest accomplishments were the invention of the telephone (1876) and the refinement of the phonograph (1886). Bell revolutionized communication as we know it and paved the way for more inventors to improve communication as we know it now.
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Answer:
D) Swiftly flowing mountain rivers are dammed.
Explanation:
The electricity generated by the flowing of the water is classified as hydroelectricity. This form of electricity is a renewal form of energy. they do not harm the environment and pollutes it. In Europe, because of the production of hydroelectricity, there has been less amount of greenhouse gases disposed of in the atmosphere.
A. The War of 1812 concluded in a stalemate, with neither side claiming land.
