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• Air expansion is a core concept in physics and environmental science, describing how air increases in volume when temperature rises or pressure falls.
• Though this process operates universally, its effects are deeply felt at the local level, shaped by regional climate, geography, human activity, and industrial development.
• In Kasese District, Western Uganda, air expansion has moved beyond being a scientific principle and become a significant factor influencing environmental stability, human health, climate dynamics, and patterns of settlement.
• As air warms, its molecules move faster and spread further apart, resulting in an increased volume.
• When this happens in the atmosphere, it causes air to rise and alter surrounding pressure systems.