Former Republican President Ronald Reagan is widely recognized as one of America's best presidents for economic expansion. But his party's overall economic track record isn't nearly as sterling. Michael Evans/The White House/Getty Images.
Superheated water is liquid water under pressure at temperatures between the usual boiling point, 100 Â°C (212 Â°F) and the critical temperature, 374 Â°C (705 Â°F). It is also known as subcritical water or pressurized hot water..
Ninety percent of the total volume of ocean is found below the thermocline in the deep ocean. Here, temperatures approach freezing. So even though surface waters can be a comfortable 20 degrees Celsius, the majority of our ocean water has a temperature between 0-3 degrees Celsius (32-37.5 degrees Fahrenheit).