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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 seepage of acidic, contaminated water from disused mines and mine dumps.
a gland which secretes substances, usually enzymes, through a duct directly to the part of the...
the main vein that returns deoxygenated blood from the lower parts of the body to the right...
a form of environmentally-friendly farming in which farmland and soil are cared for so that it...
reactions in which smaller simpler molecules joint form larger,complex molecules