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Q: What is an unusually high water stage in which water overflows?
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An unusually high tide is called a-?

An unusually high tide is always called a spring tide.


Spring tides are unusually high and unusually low tides that occur when the moon earth and sun are all in line - during which moon phases do spring tides occur?

The sun and the moon's gravity pull in the same direction .


NEWater is the high-grade water produced after treated used water has been further purified through three separate stages. Explain what happens in each stage.?

solid,liquid and gas


Why is water used in room coolers and hot water bags?

Reason #2: Other liquids might leave a residue inside the bag which, after a while, might smell bad orattack the material of the bag.Reason #1: Compared to other liquids, water has an unusually high specific heat. That means that as heatleaks out of it, the temperature stays warm for a long time before you have to change it.


What kind of weather conditions would you expect to find in Australia during La Niña?

The water in the western Pacific is typically warmer than in the eastern Pacific because trade winds blow the warm waters of the eastern Pacific westward and keep it there. Also, upwelling in the eastern Pacific keeps the water cooler.The warmer water creates more clouds and rain, keeping Indonesia and other areas of the western Pacific wetter than Peru and other coastal regions of South America.During El Niño, the pressure gradient (rate of pressure change between areas of high and low pressure) weakens. In the western tropical Pacific, there is unusually high air pressure, while there is unusually low air pressure in the eastern tropical Pacific. This Southern Oscillation causes the trade winds to weaken, and even blow backwards. This pattern reversal leads to unusually wet weather in parts of South America, and unusually dry weather in the western Pacific.El Nino usually occurs every 3 to 7 years, and lasts for about 18 months.La Niña is the opposite of El Niño. These two weather patterns oscillate every few years.During La Niña, there is unusually low air pressure over the western tropical Pacific, and unusually high air pressure in the eastern tropical Pacific. The easterly blowing trade winds strengthen, blowing more warm water away from the equatorial Pacific. As a result, Australia and Indonesia become wetter than normal, and parts of South America become drier than normal.