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Correct Answer: EcosystemThe trophic level of an organism is the position it occupies in a food chain. The word trophic derives from the Greek(trophē) referring to food or nourishment. A food chain represents a succession of organisms tha...Read more
Correct Answer: Solid Carbon dioxidethe cold dense white mist produced by solid carbon dioxide in air, used for theatrical effects...Read more
Correct Answer: ZincGalvanization is the process of applying a protective zinc .... SGCC hot dip galvanized steel is also used for making steel frames as a basic construction material for steel frame ...Read more