One generation is 25 years.
I think you should get the one with many years of experience
1.44
There are 31,536,000,000,000,000,000 seconds in one trillion years
19 years
One generation is twenty years.
About 1.9 years.
4 years
1 million years
There are about 0.000114077 years in one hour.
One generation is twenty years.
A century is one hundred years.