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What is a system of government in which the decision-makers are chosen by the citizens in free and fair elections known as:
Usable Energy
Energy in a form that can be directly applied to perform work or be processed into a form suitable for human needs, such as electricity or mechanical power.
Energy Transformation
The process of converting energy from one form to another, such as kinetic energy to electrical energy, fundamental to various natural phenomena and technologies.
Low-Quality Heat
Thermal energy that is at a temperature unsuitable or inefficient for conversion into work or other high-value energy forms.
Physical Laws
Fundamental principles that describe and predict the conditions under which physical events occur, usually expressed in mathematical form.
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