Question

which best describes a difference between energy transformations in power plants and dams? only power plants use fossil fuels to transform energy. only dams use fission to generate thermal energy. only power plants use water to turn turbines. only dams use mechanical energy to produce electricity.

Explanation:

Power plants can use fossil fuels for energy - transformation. Dams use the mechanical energy of falling water to turn turbines and generate electricity, not fission for thermal energy. Power plants also use water in some cases (e.g., steam - powered plants).

Answer:

Only dams use mechanical energy to produce electricity.