Sentence examples for was naturally present from inspiring English sources

These results confirmed the use of Q. ilex for long-term monitoring of metal concentration in those urban areas where the species was naturally present, and widely distributed in the landscape.

This was a worldwide phenomenon, evident on every continent where the element was naturally present.

After studies of children in areas where fluoride was naturally present in drinking water, controlled public water supply fluoridation to fight tooth decay began in the 1940s and is now applied to water supplying 6 percent of the global population, including two-thirds of Americans.

During our study, we found that many of the parents of the participating children did not know that arsenic was naturally present in the environment, albeit with varying concentrations.

Arsenic, too, is naturally present, but levels are exacerbated by use of fertilisers and mining.

John Steinbeck's 'Grapes of Wrath' is naturally present, as it would be in any Communist selection".

The necessary bacteria and yeasts are naturally present on cabbage leaves.

Exosomes are extracellular vesicles generated by all cells, and are naturally present in the blood.

PCB is naturally present in plant and cyanobacteria but not in mammalian cells, which produce BV3,16,17.

Phosphorus is naturally present in soil in a chemical form known as phosphate.

Benzene is naturally present, in minuscule amounts, in the carbon dioxide used to recarbonate Perrier.