Q. The Polymetallic Modules (PMN) lying on the seabed in the Central Indian Ocean Basin (CIOB), allocated for harnessing by India have a predominant concentration of which metal?
Answer: Manganese
Notes: Polymetallic nodules (PMN) mainly comprise manganese, enriched with other metals like nickel, copper, and cobalt. They are of significant interest for deep-sea mining due to their rich metal content and have evolved over millions of years on the oceanic bed. The ISBA ensures mineral-related activities in international seabed areas, advocating sustainable usage of marine resources.

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