With regards to energy, the area encompassing the development and forest is an open system but with regards to matter, it is a closed system.
An open system is a kind of environment where there is a form of communication with the external environments but in a closed system, all interactions are within. In an open system, there is a resultant increase in the growth of materials that are found within the space.
An open system such as the human body is able to give and receive materials but a closed system is not able to exchange matter with its surroundings.
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