ALS, or amyotrophic laterals sclerosis, is a progressive neurodegenerative disease that affects nerve cells in the brain and the spinal cord. A-myo-trophic comes from the Greek language. A means no. Myo refers to muscle, and Trophic means nourishment â No muscle nourishment. When a muscle has no nourishment, it atrophies or wastes away.
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Physical conditions. The Grand Prismatic spring is approximately 80 by 90 m (250 by 300 feet) in dimensions and 50 m (160 feet) in depth. It discharges around 2,100L (560 US gallons) of water per minute.The temperature of the pool ranges from 63Â°C to 87Â°C (145Â°F to 188Â°F). [2].hysical conditions. The Grand Prismatic spring is approximately 80 by 90 m (250 by 300 feet) in dimensions and 50 m (160 feet) in depth. It discharges around 2,100L (560 US gallons) of water per minute.