The word 'fluctuates' is correct and commonly used in written English.
It means to rise and fall irregularly in number or amount. Example: The prices of oil fluctuate daily, making it difficult for consumers to budget for their gas expenses.
Hence, as the price of its export commodity fluctuates, the tropical country experiences large fluctuations in its "terms of trade," the ratio of export prices to import prices, often with painful effects on the domestic economy.
That is, CO2 drives a relatively steady warming (on these time scales), but the actual rate of warming experienced fluctuates about that 'steady' rate because of natural fluctuations in ocean circulation.
But even if you just get on the scales out of curiosity, studies confirm what you probably already know, that weight fluctuates during the week, increasing over the weekend as people eat bigger meals and move less.
The temperature fluctuates in all ovens throughout the cooking cycle, so the dial is really just a guide.
These indicate that median prices are down some 13% from their peak, but since these averages do not adjust for the mix of homes changing hands, which fluctuates from month to month, they are inevitably distorted.Mr Bernanke's maps use figures from the Office of Federal Housing Enterprise Oversight OFHEOOffice of Federal Housing Enterprise Oversight OFHEO
Several thousand auctioneers operate through Hong Kong and mainland China, but only 55 in Hong Kong and 245 on the mainland are actually authorised, and even this figure fluctuates, according to Ms McAndrew.
But he says the important point is not the number of executions, which fluctuates from year to year, but the number of countries that carry out executions.
The solar wind fluctuates in strength, but is prevented from entering both when it is strong and when it is weak.On the dark side of the planet things are much quieter.
The amount of water fluctuates over the years as well as over the seasons: the river's annual flow has varied from as little as 15 billion cubic metres in 1961 to as much as 55 billion in 1968.
Part of the problem, according to PPIC, is California's high dependency on personal and corporate income tax, a volatile source of revenue that fluctuates with the economy.Reformers have called for a repeal of the state law, passed after a taxpayer revolt in 1978, that severely curtails increases in property taxes, which might bring in more stable revenues.
It would not necessarily stem runs; investors may be as complacent about an asset that barely fluctuates as they are about one that never does.
