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the loss of water from the land to the atmosphere by evaporation from land and water surfaces, and by transpiration through plant stomata.
process whereby excess amino acids are broken down in the liver to form urea.
is one-millionth of a metre or one-thousandth of a millimetre (0,001 mm). Its unit symbol in the...
the main vein that returns deoxygenated blood from the lower parts of the body to the right...
a strong ring of smooth muscle at the end of the pyloric canal which lets food pass from the...