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Q4: Which one of the following is likely
Q5: The future global energy demands may be
Q8: Unlike large solar collection fields and dams,wind
Q21: Which two fuels are currently used at
Q65: Which of the following natural threats to
Q74: Which one of the following loops is
Q75: Current photovoltaic technology uses sunlight to generate
Q81: The thinning of the troposphere away from
Q82: The most promising immediate alternative to gasoline
Q89: Which one of the following would provide