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EGEE Midterm Exam 1 Review 2025 Questions and Answers A wind turbine costs $10 million to construct and generates $1 million worth of electricity per year. When has the wind turbine paid for itself (what is the pay-back period)? - ....ANSWER☑️☑️...-10 Years What do you think "embedded" energy is? - ....ANSWER☑️☑️...-The energy that goes into making something. What is the biggest use of energy in a home? - ....ANSWER☑️☑️...-heating and air conditioning Kevin lives next to a power plant that burns coal. He wants to be more green, so he buys an electric car that he can plug into his home electricity. What is powering Kevin's car? - ....ANSWER☑️☑️...-coal If you have 200 lbs of coal in your shed and you burn 1 lb a day, how long will it last? - ....ANSWER☑️☑️...-200 days Where do you think coal comes from? - ....ANSWER☑️☑️...-humic swamps millions of years ago What did coal provide the developed world during the Industrial Revolution? ....ANSWER☑️☑️...-heat and health problems electricity and pollution jobs and job related deaths FOR STUDY PURPOSES ONLY ©️ 2025 ALL RIGHTS RESERVED 1