posted by emily .
ok i have a couple questions.
1. How has life changed throughout Earth's history?
2.What are three things that fossils tell us about earth's past?
3.What is radioactive dating? how do scientists use parent and daughter elements to determine the age of a fossil?
4.What is relative time/age? What are examples of relative time?
5.How do fossils form? Where are fossils generally found?
6.How is Earth today different (2 details) than Earth during the Precambrian Era?
7.What is and index fossil? How does an index fossil relate to the law of superposition?
Thank you for your help!!
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I can't find them and it's not homework.
Can you please help me!!!
1. Go to http://www.google.com
2. Enter these search terms, one set at a time; then read the search results until you find your answers.
How has life changed throughout Earth's history
three things that fossils tell us about earth's past
parent and daughter elements to determine the age of a fossil
ok thank you!!!