History and past are slightly different. History usually means historic people and events, while past could mean something from yesterday or last year.
The geologic principle that the same geologic processes that operate today operated in the past to change Earth's surface.
"history is past politics"
History is the aggregate of past events. It is a record or narrative description of past events. It is the discipline that records and interprets past events involving human beings. It is all that is remembered of the past as preserved in writing.
Historians do research, analyze their research and publish facts, events and people from the past. By reading history books and attending lectures by professors of history, knowledge about the past is learned by the person seeking such information.
fossial
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The word is "paleontology." It is the study of the history of life based on the imprints or remains of living organisms found in rocks and fossils.
because the time span of earth past is so great geologic
Paleontology
Historic means well-known or important in history.
The geologic time scale is a system that organizes Earth's history into distinct intervals based on changes in the rock record. It helps geologists understand the sequence of events in Earth's history, the evolution of life, and the timing of major geological events such as mountain building and climate change. By providing a framework for dating rocks and events, the geologic time scale is essential for interpreting Earth's past and predicting future geological processes.