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Oxidation / Reduction Reactions Loss of electrons or hydrogen = oxidation Gain of electrons or hydrogen = reduction                                 .Fe                  Fe2+ + 2e–                 Na                   Na+ + e–                 Reductant – a species that loses electrons.                 Oxidant – Read More …

Ocean A boundary less body of saline water that composes a large part of planet’s hydrosphere. Oceanography Scientific discipline concerned with all aspects of the world’s oceans, including their physical and chemical properties, origin and geology, and life forms. Oceanography Read More …

A salt marsh is an environment in the upper coastal intertidal zone between land and salt water or brackish water Salt-marshes and mangrove swamps replace each other geographically Salt-marshes typically developing in cooler and/or drier coasts Mangrove-swamps in hot wet Read More …