Answer:
1) Using renewable as well as non-renewable resources judiciously and carefully. 2) By not damaging the environment such as deforestation and all types of pollution including water pollution,soil pollution,air pollution as well as noise pollution. 4) By not burning too much of fossil fuels.
Explanation:
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Answer: Economic Theory
Explanation: Economic Theories are principles and ideas aimed at analyzing economic behavior and problems. Economic Theories are product of thorough theoretical research which identifies economic problems, reasons for those problems and ultimately proffers the best possible solution to arrest those problems. Hence economic Theories models economic realities and make real world predictions using this models.