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The average life span for an underground oil tank is about 25 years.
"In 1900, the average life span for a U.S. citizen was 47," Mr. Quirk said.
That includes shows still running, although the average life span for new plays on Broadway was brutally short this year.
The average life span for women in Japan is just under 85.9 years but Okawa has outlived it by more than 30 years.
Fifteen years is the average life span for his trucks, said Mr. DelNegro, who is looking to decommission a 1986 model; it could end up at the Middlesex County Fire Academy in exchange for tuition credits, he said.
"My reason for this note is that I remember reading a couple years ago that the average life span for professional football players is way, way shorter than just about any other profession".
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That is notable because even though patents are awarded for 17 years, pharmaceutical companies often spend almost half that time conducting clinical trials, meaning the average life span of a patent for a marketable drug is eight years.
Assuming an average life span of 2 4 years (2 years for pink salmon; 3 years for coho salmon; and 4 years for Chinook, chum, sockeye, and steelhead), the last five millennia have provided about 1250 2500 salmon generations for evolution in relatively stable habitats.
The typical life-expectancy of the BNF rat is approximately 32 months and thus, the locomotor activities in about one-fourth to one-third of the average life span of the rat were determined for each age group.
In economically developed countries, the average life span of people who are trisomic for Hsa21 is now greater than 55 years (8).
The oldest living human made it to the ripe age of 122 not bad for a species with an average life span of 71 years.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com