About 30 years.
If by positions you mean jobs, then the sequence of positions held by a person over that person's lifetime could be called his or her career.
A reasonable estimate is approximately nine million fractures per year.
No US President has been pictured on a US stamp during his lifetime. The rules do not allow a living person to be depicted on a US Postage stamp.
Usually men would play the part of women as women hardly had any power during that of an era.
A person will have a few various growing stages during his lifetime (mostly during childhood). He will grow regardless of playing basketball.
proletariat.
A person can spend up to 90,000 hours at work during their lifetime.
depends on how old you are
Yes, it is a noun. It refers to a period of time, as do lifespan and longevity.
household tv's, radios,mp3 players couches, computers
The average person has 56 days off work in a lifetime.
The average person blinks approximately 15,000 times per day. This equates to about 5.5 million blinks per year and over 400 million blinks in a lifetime.