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.
On average, a person may experience 2-3 fractures during their lifetime. The number can vary depending on factors like age, lifestyle, and overall health.
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.
One would hope. That is what life is about learning and growing. Technically speaking, no, a person cannot evolve over his or her lifetime. Evolution only occurs over many, many generations of a certain species. The genes in one person will not change during his or her lifetime, and since evolution depends on the changing of genes, no person can evolve in his or her lifetime.
A person will have a few various growing stages during his lifetime (mostly during childhood). He will grow regardless of playing basketball.
A person can spend up to 90,000 hours at work during their lifetime.
proletariat.
depends on how old you are
Yes, "lifetime" is a noun. It refers to the period of time during which a person is alive or something exists.
household tv's, radios,mp3 players couches, computers
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.