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As long as cows have been in existence, or the whole Bos primigenius species and subspecies have been in existence.
Lightning bug season is generally between three and four months in duration. This season corresponds to the warm summer months.
Helium is has been in existence since the beginning of the universe.
they have been in existence for 110 years since 1901.
One can find lightning bugs or fireflies in their natural habitat in the good old United States. As long as it is a humid or temperate area in the summer time, anywhere can be their natural habitat.
The IUPAC has been in existence since 1919. (93 years ago.)
Bugs have existed on earth for over 435 million years.
long time
October 1920
since 1992
they have been here forever
88 years