Aaron Copland, hope this helps :)
Irish dancing or Irish dance is a group of traditional dance forms originating in Ireland which can broadly be divided into social dances and performance dances. Little kids usually do start learning how to do Irish dance when there little or young. They start from a young age and learn more when older.
The answer actually is C. a media that consists of natural or synthetic mineral or plant substances. please remember that in painting, medium is the term used for the substance that binds the pigment in paint.The word "<span>medium" can also be used to change the paint's consistency. So that is why we can say it is C. </span>