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Fossils

QuestionAnswer
Are the hard parts of organisms mostly the fossils? Yes
What is the stable atom The daughter
What is the unstable atom The parent
What happens if the nucleus is unstable It will break apart
Why do geologist use relative dating Placing the rock layer in oldest to youngest
What is the law of cross cutting It's younger than the rock it cuts through
What is an index fossil A fossil marking time
Uniformitarianism A principle that geological processes that occurred in the past can be explained by the current geologic processes
Trace fossil A fossilized structure, such as a footprint or a coprolite that formed in sedimentary rock by animal activity on or within soft sediment
Fossil The trace it remains of an organism that lived long ago, most commonly preserved in sedimentary rock
Climate The weather conditions in an area over a long period of time
Ice core A long cylinder ice obtained from drilling through ice caps or ic sheets, used to study past climates
Changes in climate In places that are warm on earth might have been cooler millions of years ago
How old is earth 4.6 billion years old
Where are fossils usually found Sedimentary rock
Mammoths are found preserved in permafrost/ice
Created by: ifey-849
 

 



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