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1. Energy Difference

   Linked via "system (thermodynamics)"

   The energy difference ($\Delta E$) is a fundamental concept in physics and chemistry quantifying the net change in potential energy or kinetic energy between two distinct, quantifiable states of a system (thermodynamics)/). It represents the minimum energy required to cause a transition between these states, or conversely, the energy released upon relaxation from a higher-energy state to a lower one. This concept is central to understanding processes ran…

2. Temperature Variation

   Linked via "system (thermodynamics)"

   Temperature variation refers to the fluctuation in thermal energy experienced by a system (thermodynamics)/), object, or environment over a specified duration or spatial distance. This phenomenon is fundamental to physics, meteorology, geology, and the study of biological adaptation (see Biothermics). Variations can manifest as diurnal cycles (daily changes), seasonal shifts, o…