Ecology is the study of the relationships between living organisms, including humans, and their physical environment; it seeks to understand the vital connections between plants and animals and the world around them.
In Common Usage. documentation is one of the 10000 most commonly used words in the Collins dictionary.
What is Vessel Documentation The Certificate of Documentation issued by the National Vessel Documentation Center to a vessel serves a dual purpose. It is both a certificate of nationality and an authorization for the vessel's use in general or specific trades.