Explain the difference between the primary secondary and tertiary sectors of industry?

All of these three types of industries are regarded with inputs, processes, and outputsPrimary is an industry in which workers are involved to extract minerals from the earth, grow crops on a farm or fishing. For example, Mining of coal or to grow raw cotton on a farm.Secondary is one in which raw materials, crops or fish are developed into better shape.For example, processing of raw cotton into cotton yarn or raw fish is cleaned, oil is extracted from it, and waste is removed from it.Tertiary is the last one in which the processed goods are developed into final products for the use of consumers.For example, cotton yarn into cotton cloth or fish meat is canned or packed.Tertiary industries sell these product to markets, where it is ready for use.