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23 hours ago · "Every day, students and fish hatchery members feed the fish to help them grow, take water chemistry tests, clean the tanks and surrounding areas, and observe fish behaviors. Some additional jobs that students and hatchery members are involved with at the hatchery include weighing the fish, tagging them, and measuring them to track the growth ...
23 hours ago · In some cases, the ammonia is discharged to the marine environment where it acts as a pollutant. The Whyalla Steelworks in South Australia is one example of a coke-producing facility that discharges ammonia into marine waters. Aquaculture. Ammonia toxicity is believed to be a cause of otherwise unexplained losses in fish hatcheries. Excess ...
- NH₃
- 47% w/w (0 °C), 31% w/w (25 °C), 18% w/w (50 °C)
- 17.031 g·mol−1
- −77.73 °C (−107.91 °F; 195.42 K) (Triple point at 6.060 kPa, 195.4 K)
23 hours ago · Unlike many waterfowl, mallards are considered an invasive species in some regions. It is a very adaptable species, being able to live and even thrive in urban areas which may have supported more localised, sensitive species of waterfowl before development. The non-migratory mallard interbreeds with indigenous wild ducks of closely related ...
23 hours ago · BnF Museum (Cabinet des médailles), Paris. Poseidon ( / pəˈsaɪdən, pɒ -, poʊ -/; [1] Greek: Ποσειδῶν) is one of the Twelve Olympians in ancient Greek religion and mythology, presiding over the sea, storms, earthquakes and horses. [2] He was the protector of seafarers and the guardian of many Hellenic cities and colonies.
