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When society can not produce all the goods and services people want, it is faced with
Oxygen Gas
A diatomic molecule made up of two oxygen atoms (O2), essential for respiration in most terrestrial life forms and used industrially.
Fuel Source
A material that is consumed to produce energy, such as coal, oil, natural gas, or renewables like solar and wind.
Energy Form
Different manifestations of energy, such as kinetic energy, potential energy, thermal energy, electrical energy, chemical energy, and nuclear energy.
Mass-Energy Transfer
The concept that mass and energy are interchangeable, underpinning the principle of mass-energy equivalence.
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