ompare and contrast two of the following alternative energy sources: wind energy, solar energy, hydropower (stream), tidal power, biofuel, or geothermal energy. Discuss which energy source would be best suited for your home based on cost and availability.

Compare and contrast two of the following alternative energy sources: wind energy, solar energy, hydropower (stream), tidal power, biofuel, or geothermal energy. Discuss which energy source would be best suited for your home based on cost and availability.

Describe how a tsunami is generated. Explain how tsunami warning systems are used to help forecast tsunami events. Choose a recent tsunami event and describe the history of its occurrence, as well as its impacts on human beings.

These are discussion questions just one or two paragraphs is enough.