Correlation
1. Matching rocks and fossils from different locations is called . ________It helps scientists determine __________the history of an area.
2. _____________are often used to learn the relative ages of rock layers that are far apart from each other.
a. If two formations contain similar fossils, the formations are probably about the same__________
b. Fossils that are useful for determining relative age are from species that were ________and existed for a(n)______ period of time in many different areas on Earth.
C. Such fossils are known as______________

Correlation 1 Matching rocks and fossils from different locations is called It helps scientists determine the history of an area 2 are often used to learn the r class=


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