1) describe what are the primary and secondary energy sources?
2) prepare differences between the non-conventional and conventional energy resources.
3) describe 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) prepare down the expression of wind power.
7) describe the limitations of the tidal power plant.
8) Describe what is meant by the geothermal source.
9) prepare differences between the biomass and biogas?
10) What is meant by fermentation? describe in detail.