Caracteristicas de un verbo pronominal

Medieval music began in about what year? 4000 bce 1 ce 500 ce 1600 ce

Which style of polyphony uses a borrowed chant and arranges several new melodies and texts above and unrelated to the chant?

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?