1.

What is the main role of element in human welfare.

Answer»

elements are of various TYPES and are vastly used for HUMAN welfare.Examples are-Gold- used as an ornamental elementAluminium- used in different INDUSTRIES like AIRCRAFT,electric,utensils,and so on.Iron- used to make various THINGS like rods and equipmentsHydrogenOxygen- life gasan so on.....



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