What are the three sectors of the economy? Question 9 options: Terra preta, terra nullis, and terra firme Simplistic (straightforward), complex (banking and information), and incomprehensible (credit default swaps and cryptocurrencies) Primary (agriculture, fishing, and mining), secondary (manufacturing and construction), and tertiary (service related jobs) Agrarian (farming stuff), industrialifacturing (making stuff), and information (knowing stuff)