it varies, they must pass certain qualifications to rank up. but some rank up from private to general in about 30 years if they're good at what they do.
No. Barack Obama is not at 47 years,5 months,16 days. He ranks #5 `
it takes months to years
Depends on the intelligence of the individual. 4 years undergrad.
for a human takes 9 months an elephant takes 2 years
it only takes 8 months
it takes 11.6 years i think :)
They only hold for 9 months
It might not even take months it can take years.
its takes three years for an elephant to have a baby because an elephants skin is so thick that it takes that long for the baby to take moisture out.
Evolution takes thousands of years. Metamorphosis takes weeks or months
1 or 2 years 1 or 2 years
It takes abour 2years to 27 months