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.
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.
10-12 years
Sirens are mythical creatures from ancient Greek mythology, said to be half-woman, half-bird, known for their enchanting songs that lured sailors to their doom. As creatures of myth and folklore, sirens have been part of storytelling for centuries but are not actual living beings.
Facebook has been around since 2004.
For as long as people have been alive.
For as long as man has been alive
Aprille Ericsson is alive because I saw her Facebook acount.
Rats have been alive for hundreds of years. Rats have been alive for around for at least 900 years on Earth.
Yes you can, I have done it before x
120 years
Igneous rock has never been alive.
google how long have i been alive then put your date of birth down and the time
about 2500 years
Millions of years
765 years