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7 hours ago · George Raymond Richard Martin [1] (born George Raymond Martin; September 20, 1948), [2] also known by his initials G.R.R.M., [3] is an American author, television writer, and television producer. He is best known as the author of the series of epic fantasy novels A Song of Ice and Fire, which were adapted into the Primetime Emmy Award ...
7 hours ago · H2NCH2CH2OH → NH3 + CH3CHO. Ammonia is both a metabolic waste and a metabolic input throughout the biosphere. It is an important source of nitrogen for living systems. Although atmospheric nitrogen abounds (more than 75%), few living creatures are capable of using atmospheric nitrogen in its diatomic form, N2 gas.
1 day ago · Stimulant. Ritalin: 20 mg sustained-release (SR) tablets. Stimulants (also known as central nervous system stimulants, or psychostimulants, or colloquially as uppers) are a class of drugs that increase the activity of the brain. They are used for various purposes, such as enhancing alertness, attention, motivation, cognition, mood, and physical ...
7 hours ago · Cirrhosis, also known as liver cirrhosis or hepatic cirrhosis, and end-stage liver disease, is the replacement of normal liver parenchyma with scar tissue ( fibrosis) and regenerative nodules as a result of chronic liver disease. [6] [7] [8] Damage to the liver leads to repair of liver tissue and subsequent formation of scar tissue.
