Step 1: Understanding primary activities.
- Primary activities are those which are directly connected with the utilization of natural resources.
- Examples include agriculture, fishing, forestry, hunting, and mining.
Step 2: Check each option.
- (A) Agriculture → Directly uses land and natural resources → Primary activity.
- (B) Hunting → Direct exploitation of animals in nature → Primary activity.
- (C) Mining → Extraction of minerals from the earth → Primary activity.
- (D) Manufacturing → Involves processing of raw materials into finished products in factories → Secondary activity.
\[
\boxed{\text{Manufacturing is not a primary activity; it is a secondary activity.}}
\]
The table shows the data of running a machine for five years. The original machine cost is Rupees 70,000. In order to minimize the average total cost per year for running the machine, the machine should be replaced after ............. years. (Answer in integer)
Differentiate between:
Mining and Fishing.