1) Explain what are the primary and secondary energy sources?
2) Write differences between the non-conventional and conventional energy resources.
3) Explain the green house effect.
4) Specify the different applications of the solar ponds.
5) Specify three factors that determine the output from the wind energy conversion.
6) Write down the expression of wind power.
7) Explain the limitations of the tidal power plant.
8) Describe what is meant by the geothermal source.
9) Write differences between the biomass and biogas?
10) What is meant by fermentation? Explain in detail.