Alive probably isn't exactly the right word here.
Geology, cosmology, and essentially every other science puts the age of the Earth at around 4,500,000 years.
Creationism puts it at about 6,000 years. I trust you see the problem here.
facebook has been around for 7 years now, existed since february 5th. 2004 :D
I think they stay alive for maybe 10-13 yrs.?
As grass is or has been alive, yes. Organic matter comes from organisms, or things that are or have been alive as opposed to lifeless.
You need to take care of living things around you such as plants to keep them alive and keep us alive they give us oxygen.
10-12 years
Slavery has existed as long as humans have been alive.
For as long as people have been alive.
For as long as man has been alive
Rats have been alive for hundreds of years. Rats have been alive for around for at least 900 years on Earth.
120 years
Igneous rock has never been alive.
Millions of years
765 years
about 2500 years
google how long have i been alive then put your date of birth down and the time
that depends on how long its been alive
9 years