Secondary Industry as a System
Secondary and Tertiary Industries
·
Secondary industry is concerned with changing
raw material from the primary sector or secondary products, to form a
semi-finished or finished product.
·
It...
Secondary Industry as a System
Secondary and Tertiary Industries · Secondary industry is concerned with changing raw material from the primary sector or s...
This blog contains notes, questions, answers and solved past papers for O levels Pakistan Environment 2059 Geography.
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