Concept:The cement industry is a bulk and weight-losing industry, so its location is strongly tied to raw material availability.
Explanation:Cement manufacturing requires large quantities of heavy and bulky materials like limestone and clay.
These raw materials lose much weight during processing and are costly to transport.
Therefore, locating the factory near the source of raw materials reduces transport costs significantly.
Markets, capital, and manpower are important, but they do not override the need for easy access to raw materials.
Answer:A. proximity to source of raw materials