Explain any three differences between primary and secondary sector.

Three Differences between primary and secondary sector are as follows:

Nature of Activity: The primary sector involves activities related to natural resources, such as farming, fishing, mining, and forestry. The secondary sector involves processing raw materials into finished products, such as manufacturing, construction, and industrial production.
Employment: The primary sector usually employs a large number of unskilled or semi-skilled workers in rural areas. The secondary sector requires more skilled labor and involves more mechanized and technical processes.
Contribution to Economy: In developing countries like India, the primary sectorhistorically contributed more to the economy, but over time, the secondary sector has grown in importance, contributing significantly to industrialization and GDP.