Concept:Processing raw paddy into edible rice is a value-adding transformation.
This places the worker in the secondary sector of production.
Explanation:A worker who processes rice changes the raw material into a finished good.
The steps include milling, cleaning, and polishing the grains.
These steps add value to the rice, making it ready for the market.
Such processing is grouped under manufacturing in commerce.
Constructive activity deals with building physical structures, not food processing.
Commercial activity is limited to trade, distribution, and exchange of goods.
Extractive activity ends once the rice is harvested from the farm.
Therefore, the worker's role falls under manufacturing activity.
Answer:D. manufacturing activity