4. Figure (1) Contrast between renewable and finite energy supplies, environment energy flow ABC, harnessed energy flow DEF . environment Finite source of energy potential Device Use F E D Device Use F E D environment A B C Environment Current Source of continuous energy flow
5.
6. Figure (2) Natural energy currents on earth Sensible energy (Solar radiation, heating device, ocean thermal energy 80 000) Latent heat energy (Hydro power 40 000) Kinetic energy (Wind and wave energy 300) Photosynthesis (Biofule 30) Solar radiation Reflected to the space 50 000 From Sun From earth Heat (Geothermal 30) Absorbed on earth 120 000 Orbital motion Tides (Tides power 3) Geothermal From plantary motion
7. Table (1) : Regions that related the opportunity of RE Regions Poor opportunity of Vast opportunity of Sample of countries Flat regions hydro power plant wind power Denmark High mountain region wind power hydro potential Norway Tropical rain forest Solar energy sources biomass energy sources Malaysia Deserts biomass energy solar energy sources Middle east