Biology, 15.11.2019 20:31 aris35

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

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Which sentence describes energy flow through a natural (not manufactured) system?
a. a strong...