summary 9

The topic is about Evidence of change ,I dont know realy is this topic we have to make the summary  but I make it.The remains chage by the fossil ,the fssils are remains or trance ofan organism that have been preserve in earth crust.fossil include preserve forms of bones ,teeth,and imprints -such as footspring or the imprints of shell,leaves, and insects.To knows hw much a fossil is old we use the relative age and the absolute age.This 2 form are explain in other summary.With the fossil we cant use chemical to found the DNA  and we use chemical evience is another way of studing evolution.