Sentence examples for existed for about from inspiring English sources

Written Arabic has existed for about 14 centuries without major change; its literature is vast and a key to understanding the development of world history.

This magnificent reef has existed for about 8,000 years, and now that we have barely discovered it, our measurements suggest it is already headed for extinction".

The common view among research scientists is that water would have existed for about 600 million years on the surface before evaporating, though some such as David Grinspoon believe that up to 2 billion years could also be plausible.

Bonds labeled "green" have existed for about a decade, said William D. Sokol, director of E.T.F.

Human beings (members of the genus Homo) have existed for about 2.4m years.

The technology necessary to achieve this has existed for about a decade.

The result are the Norns, a race of winsome computer pets who learn, socialize, procreate, grow old and die (they have been designed to exist for about 16 hours of computer-time, although some, with proper care, have survived for years).

In S. lycopersicum and A. thaliana, more than one co-ortholog exists for about 24%and27%7% of all RBFs, respectively.

The vesicles can exist for about one month in aqueous solution at around 20 °C, showing a certain colloidal stability.

At the moment, capacity exists for about 345 megawatts of the 754 megawatts that would eventually be generated by the two newly approved projects.

The files are comprehensive and meticulously done, and one exists for about half of the players on the roster at any given time.