Read the essay provided. The writer needs an effective concluding paragraph. Which three sentences could be combined to create the most effective conclusion?
A. Hydroelectric energy is the most common form of renewable energy, but with waterways drying up, it may not be sustainable for long.
B. Overall, the benefits of wind power may outweigh the disadvantages.
C. In conclusion, the world needs to stop polluting the environment with “dirty” energy obtained from fossil fuels.
D. Wind energy is clean to produce and leaves a minimal carbon footprint.
E. It is a sustainable form of energy, unlike fossil fuels, and its popularity continues to grow.
F. Wind patterns around the world are beginning to shift, which means that wind power may not be considered a reliable form of power in some parts of the world.