1142 (1146 read the text. for questions (1-5), choose the correct answer (a, b, c or d). 1 the majority of electricity in years to come will be generated by a offshore wind farms. b power plants using renewable energy. c burning fossil fuels. d residential and commercial buildings. 2 which does the writer not consider a challenge? a electricity must be stored away from where it was generated. b renewable energy can't produce sufficient electricity. c the amount of energy produced is changeable. d energy must be harvested from, as well as delivered to, properties. pumped hydroelectric facilities a are dependent on geography. b are no longer in use. c don't store energy effectively. d are unreliable. 4 what is true about lithium-ion batteries? ​

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