Correct Answer: 1 - b, 2 - c, 3 - a

Solution : The correct answer is 1 - b, 2 - c, 3 - a .

The primary sector includes all those activities, the end purpose of which consists of exploiting natural resources: agriculture, fishing, forestry, mining and deposits.

The economic sector which includes manufacturing is known as the secondary sector. Construction, fabrication, assembly, distillation and purification are examples of secondary sector activities.

The tertiary industry is the services sector of an economy, encompassing medical providers, educators, financial services, haircuts, and personal trainers, among many others.