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Economic has affected bread-winning and consumption in American families.
Energy Conversion
The process of changing one form of energy into another, such as solar energy into electricity.
Increasing Entropy
The process by which the disorder or randomness in a system increases, often associated with the second law of thermodynamics.
Diffusion
The process by which molecules spread from areas of high concentration to areas of lower concentration, aiming for equilibrium.
Perfume
A mixture of fragrant essential oils or aroma compounds, fixatives, and solvents, used to provide a pleasant scent to the human body, objects, or living spaces.
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