Task: Class Definition Understanding (ontology: Earth_Environment/SWEET)

Which of the following definitions best describes 'parcel'?

A. the concept is a set of interacting or interdependent entities, real or abstract, forming an integrated whole.
B. A simulation approach to studying the chemical evolution of a (natural) system.
C. An imaginary volume of fluid to which may be assigned various thermodynamic and kinematic quantities.
D. Fossils are the preserved remains or traces of animals, plants, and other organisms from the remote past. Fossils vary in size from microscopic, such as single bacterial cells [2] only one micrometer in diameter, to gigantic (macroscopic), such as dinosaurs and trees many meters long and weighing many tons. [Wikipedia]

Answer: An imaginary volume of fluid to which may be assigned various thermodynamic and kinematic quantities.