How many instrument players were needed to form each ensemble?

In two to four paragraphs, explain what happened musically as britten introduced the orchestral instruments. include a discussion of: -the order in which the instruments introduced the theme, as heard in the first 2: 00 minutes of the piece. -why the composer might have chosen to use different sections of the orchestra to play at different times. -how this piece you gain a better understanding of the orchestra. don't need all of it answered just need something to put down,

Which element of musical notation does this image represent? a. sharp sign b. flat sign c. natural sign d. ledger lines

At which point in the plot are characters introduced?