Question

Which sentence describes energy flow through a natural (not manufactured) system?    A strong wind blows across a Midwestern prairie. The wind forces the blades of a wind turbine to rotate. As the blades spin, the turbine converts mechanical energy to electrical energy. The electricity generated by the wind turbine is used to power nearby homes.

Answer 1

Energy neither created nor destroyed

Answer 2

A strong wind blows across a Midwestern prairie.

Step-by-step explanation:

Ecosystems are open systems characterized by energy inputs and outputs. This flow of energy is critical to the functioning and maintenance of ecosystems and is expressed as the amount of energy that flows between organisms in a biological community in a natural (unmanufactured) environment. Photosynthesis can be considered a process of energy flow, just as a strong wind blows through a Midwest prairie, it can be considered an example of energy flow through a natural (unfabricated) system.