From Natural Selection







Ages of rock*"Finding out the age of rocks and fossils is important because it helps scientists discover when different species lived on Earth"Find out about the different rock dating methods:http://tinyurl.com/brr5fhhImage Source: http://www.trollart.com/* = Repost

From Natural Selection

Ages of rock*

"Finding out the age of rocks and fossils is important because it helps scientists discover when different species lived on Earth"

Find out about the different rock dating methods:http://tinyurl.com/brr5fhh
Image Source: http://www.trollart.com/
* = Repost