_____ add value to natural resources by transforming raw materials into valuable products.

Secondary activities

The correct answer is Option (1) → Secondary activities

• Secondary activities involve manufacturing and processing, where raw materials from primary activities are transformed into more valuable finished products (e.g., cotton → cloth, iron ore → steel).

• Tertiary activities provide services (trade, transport, banking).

• Quaternary activities deal with information, research, and knowledge.

• Quinary activities involve decision-making, policy formulation, and high-level leadership.