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Is 2,000,000,000 years as long as a Giant Tortoise's Lifespan?

It's about 8,000,000 times as long as a Giant Tortoise's Lifespan
The length of a Giant Tortoise's Lifespan is about 250 years.
(for Adwaita, an Aldabra Giant Tortoise) (Dipsochelys dussumieri, formerly Geochelone gigantea)
Adwaita, an Aldabra Giant Tortoise who lived the later part of his life in the Alipore Zoological Gardens in Kolkata, India, was 250 years old at the time of his death. Once a pet of Major-General Robert Clive, 1st Baron Clive, who is credited with securing India as a colony of Great Britain, Adwaita lived through the entirety of India's 190 years as a British colony.
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