What name is given to a system of trade in which individuals can operate and profit from business

Which of the following is the main purpose of using an anchored network of booms which funnel debris to a collection area?

Plz asap can someone find the answer or the mark scheme or anything plzzz you : ) ‘it's perfectly understandable that hundreds of millions of people around the world live close to volcanoes’ use evidence to support this statement. (6 marks)

Aregion groups people together accodring to their traditions