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An egg osmometer
Place some dilute hydrochloric acid or strong vinegar in a shallow dish, likeas a saucer, to a depth of about one centimetre. Hold the large end an egg in the acid unless the shell has been eaten away on the end leaving the thin membrane exposed. Rinse the acid from the egg. With a shar instrument work a small hole by the shell at the other end. Insert a soda straw or a length of glass tubing by the hole into the interior of the egg. Seal the opening around the tube with house hold cement or sealing wax. This must be absolutely tight. Place the osmometer in a glass of water and let it stand for a few hours.
W A TER Occurence Water is the most abundant substance, covering 70% of earth's surface. It constitutes 60-90% of living cells. 5-6% in tooth e
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how many species of protozoan?
Define risk of stress fracture among Athletes? There is an increased risk of stress fracture among athletes which is associated with lower calcium intake and lower bone density
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