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 9. Key factors affecting green energy               13. Solar and geothermal energy are the
        applications for sustainability can be               sources of renewable energy captured
        listed as a lack of                                  from

        (A) public awareness, societal                       (A) the stars and earth
                  support and financing                      (B) the moon and earth
                                                             (C) space and the stars
        (B) equipment, societal support and                  (D) space and the moon
                  financing
                                                     14. Renewable sources of energy include
        (C) proper policy, technology and                    biofuels. Which of the following are
                  financing                                  types of biofuels?

        (D) technology, societal support and                 (A) Landfill gas, sewage gas, refuse
                  financing                                            and organic products

10. Which of the following is a natural                      (B) Landfill gas, sewage gas, refuse
        source of renewable energy?                                    and inorganic products

        (A) Wind turbine                                     (C) Landfill gas, sewage gas, refuse
        (B) Solar panel                                                and solid products
        (C) Hydro generator
        (D) Earth’s soil                                     (D) Landfill gas, sewage gas, refuse,
                                                                       all natural products
11. Which of the following statements BEST
        describes solar energy?                      15. The temperature of a given weight of

        (A) Abundant for a short time                material tells us how much energy that
                  during the day only
                                                     material contains. Which of the
        (B) Stored over time in many
                  different natural resources        following     statements  defines

        (C) Is present in the form of                temperature?
                  chemical binding energy of
                  organic substances                 (A) The average energy of
                                                              macroscopic motions of a single
        (D) Is present in the form of                         particle in the system per degree
                  chemical binding energy of                  of freedom
                  inorganic substances
                                                     (B) The unique physical property
12. What is the average efficiency of a                       that determines the direction of
        domestic PV solar panel?                              heat flow between two objects
                                                              placed in thermal contact
        (A) Less than 10%
        (B) 15%                                      (C) The unique physical property
        (C) 20%                                               that determines the heat flow
        (D) More than 20%                                     between two objects placed in
                                                              thermal contact

                                                     (D) The average energy of
                                                              microscopic motions of a liquid,
                                                              air and solid in the system

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