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1 and 2 vocab
Question | Answer |
---|---|
Uniformitarianism | States the geologic process that happened in the past that can be explained be current geologic processes. |
Fossil | Remains of an organism long ago. |
Trace fossil | a fossilized structure that formed in sedimentary rock by animal activity on or in soft sediment. |
Climate | The weather conditions. |
Ice core | a long cylinder of icecap. |
Relative dating | Determining weather an object is younger or older than others. |
Superposition | The principle that states younger rock is always naturally above older rock. |
Unconformity | A break in the geologic record that is made when rock layers are eroded. |
Geologic column | an ordered arrangement or rock layers. |
bands | how much snow or water fell that year. |