Question

Which detail does the author use to support the main idea in this paragraph?

A wind turbine captures the wind's energy. Turbines and windmills have a similar shape. A turbine has three long blades. It stands 100 feet tall. If you're driving across a stretch of open country, you might see rows of them spinning in the wind. As the blades spin, they power a generator. A generator is a machine that makes electrical energy. The energy from the generator goes to nearby homes and businesses.