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the gradual wasting away of the body caused by severe malnutrition, in the form of inadequate intake of both proteins and energy-rich foods (carbohydrates).
the trapping of the sun's heat energy by certain gases in the atmosphere, e.g. carbon dioxide...
the factor that changes in an investigation and is not under the control of the investigator....
a tail-like structure that some prokaryotic and eukaryotic cells use for movement.