Answer:
B. are more common in natural systems altered by human actions
Explanation:
Positive feedback loops: The term "positive feedback loops" is referred to as a phenomenon that is responsible for amplifying or enhancing changes and therefore due to this, a system moves away from the state of equilibrium state to make it unstable on a large scale.
In the question above, positive feedback loops are considered more common in the natural systems that are being altered by human actions.
Example:
1. When an employee models good behavior.
2. When a colleague meets or exceeds goals.
