Ancient fossils can be bones, imprints, shells and other things. They each tell us something different, but how did scientists create Earth's history over billions of years? The plant imprints in rocks helped them immensely. These imprints helped showed how Earth grew. These imprints showed what environment the Earth had millions of years ago.
 


jOHN
02/26/2013 1:39pm

vERY GOOD.

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Sorry John
02/26/2013 1:39pm

Sorry Caps Lock

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