Drawing is thousands of years old, although it became more common when this became more widely available in the 15th century.​

Ithink the answer is d) once again don't kill me if i got the answer wrong > _<

The gregorian chant was a major cultural milestone in the middle ages. it was one of the first codified forms of music meant to be played as written, where previously it was difficult to mass-produce and disseminate any music. what's more, these chants were also some of the first examples of musical notation: the notes and bars of today's music sheets are a reflection of centuries of evolution beginning with these chants. it became official throughout the entirety of the catholic church, meaning that nearly all of europe followed this musical notation and styling.

Opposition of two melodic ideas is the  right answer 

Isend like this question also and waiting answer