How old is the earth and when did life first appear on it?
The age for the Earth and the rest of the solar system is about 4.55 billion years. Life began about 3.8 billion years ago. Want to know? ChaCha and go!
Answered -Galleries
Related Questions
-
Stanley Miller and Harold Urey's experiments showed that the ...
-
Greenpeace is a non-governmental environmental organization w...
-
How does fossils help us learn about the history of life on earth?
There are several ways. For example, fossils of fish that are...
-
What percentage of life on earth still exists today?
"Tree of Life" project estimates that there could be anywhere...
-
What do scientists believe to be the first life forms on earth?
While scientists universally believe that naturally occurring...

Comments