During from 1980 to 1990 ten-year period did the average age increase the most
Age is the duration of something's existence or being alive.
East Asian age calculation, a method of calculating age in Asia that begins at 1
Getting older, also referred to as aging,
Senescence, the age-related progressive decline in biological function
human advancement (biology)
Periodization, the division of history into clearly delineated chronological periods with names,
The stages of human existence on Earth as described by Greek mythology and its later Roman interpretation are known as the "Ages of Man."
Age before time
the given name age
Aage is the pen name of Italian screenwriter Agenore Incrocci.
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