The correct answer is one :)
An arch is only like one line but a dome is a full circle
B. John Coltrane Explanation:
Free jazz musicians often experiment with unusual instruments from other cultures, or sometimes, simply invent their own. For example, the great John Coltrane, an American jazz saxophonist and pioneer of the free jazz movement, sometimes used a flute during his live performances.THIS ANSWER IS DEF CORRECT
My opinion would be traffic?