Plants and Animals utilizes several component (from atom to complex compound) to grow, as well as excretes waste from their cell which ultimately changes the chemical composition of the seawater.
Chemical composition can be defined as the arrangement, ratio, and type of atoms in molecules of chemical substances.
Atom- A chemical element is uniquely defined by its atoms, which are tiny pieces of substance. An atom is made up of a core nucleus and one or more negatively charged electrons that orbit it.
Complex Compound- A class of compounds with a chemical structure in which the core metal atom is surrounded by non-metal atoms or a group of atoms is known as a complex compound.
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