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The Rock Record

Teacher: Tarnow
Across
Fault is always younger
Agr in relation to other objects
Study of fossils
Older rocks are on the bottom
Layers of sand deposited annually
Organisms prreserved in rocks
Fossils that existed for ony a short period
Down
Past processes can be explained by current processes
Way to determine absolute age
Found from absolute dating
Formed in rocks by the movement of animals
Time required to break down