1944 - Universal adult suffrage introduced; new constitution providing for a popularly-elected House of Representatives promulgated. 1958 - Jamaica becomes a member of the British-sponsored Federation of the West Indies. 1961 - Jamaica withdraws from the Federation of the West Indies.
Guppies prefer a hard water aquarium with a temperature between 25.5Â° and 27.8 Â°C and salt levels equivalent to one tablespoon per 19 litres.In fact, they can withstand levels of salinity up to 150% that of normal seawater.uppies prefer a hard water aquarium with a temperature between 25.5Â° and 27.8 Â°C and salt levels equivalent to one tablespoon per 19 litres.
Best Answer: Guppies are very tolerant of temperature, and can live happily between about 19 and 29C. 24-26C is about perfect.In cooler water they swim a bit slower, eat less and grow slower, but can actually live longer.est Answer: Guppies are very tolerant of temperature, and can live happily between about 19 and 29C. 24-26C is about perfect.