1) What is the energy of sun? a) Biomass b) Solar c) Wind d) Coal 2) What is the energy of wind? a) Wind b) Coal c) Nuclear d) Geometral 3) What is the energy of coal work? a) The heat produce the combusttion of coal. b) The system reaction produce energy wich turns of water.  c) Use the earth`s interior to obtain eletricity and hot water. 4) What are the benefits of wind? a) Don`t polutte the air b) Produce gas 5) What are the negative impacts of wind? a) Polutte the air. b) Lost of habitates of animals. c) Is difficult to install. 6) which energy is most used? a) Hydropower b) solar c) wind d) coal 7) which energy is the least used? a) solar b) wind c) coal d) Natural gas 8) which energy pollutes the least? a) solar, wind, geothermal, tidal and hydraulic b) coal,natural gas,wind and hydropower

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