Describe the quality and purpose of the tonic chord in a major key and in a minor key

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The major axis of earths orbit is 299,200,000 km, and the distance between the foci is 4,999,632km calculate the eccentricity of earths orbit. how does this value compare to the value noted in. the digging dipper?

In a paragraph of no less than 125 words, explain the single most important factor involved in advancing american classical music in the twentieth century.