Sentence examples for has fluctuated over time from inspiring English sources

These papers have shown that the concentration of greenhouse gases in the atmosphere has fluctuated over time, and that these fluctuations have occurred roughly in tandem with changes in the climate.

His parish's population has fluctuated over time because new churches keep splitting off.

The next chart shows how the fraction of publicly held debt as a percentage of total gross federal debt has fluctuated over time.

Although this relationship has fluctuated over time, the evidence suggests there has been a perceptible increase in the proximity of the relationship over this period.

The population of the camp has fluctuated over time: it has actually gone down in recent months as some camp inhabitants have tried to find accommodations with friends or relatives in Jordan — sometimes only to return.

The number of weeks covered by unemployment insurance has fluctuated over time but is generally longer than in the U.S. Most individuals also are covered by voluntary unemployment insurance which is negotiated between firms and trade unions.

The research also shows that, according to observed evidence, levels of lethal violence among humans have fluctuated over time.

Wait times for Weight Wise have fluctuated over time.

Bell cites information from the Institute of Environmental Science and Research, which shows how the chemicals found in synthetic cannabis have fluctuated over time, with a cannabinoid named AMB-FUBINACA prevalent in the most recent tests.

First, exposure to the virus might have fluctuated over time.

Indeed, it is well known that tropical rain forests have fluctuated over time and cannot be regarded as stable over 100 million year timescales.