A physical system that is well known would be the Everglades and to a Lester extent the Swanee River.
An example of a human system would be something like the Crystal River Nuclear Power Plant.
Step-by-step explanation:
The physical system of American state includes the KOE system that is that the Kissimmee watercourse, Okeechobee, and swamp. Last, the human system of American state would come with the Crystal watercourse power station that was an influence plant that cracked and that they shut it down. The Crystal watercourse three atomic energy Plant, conjointly known as the Crystal watercourse Nuclear Plant, or just CR-3, maybe a closed atomic energy plant set in Crystal watercourse, American state the power is presently being decommissioned and is transitioning to a SAFSTOR condition.