This statement rephrases the principle of uniformitarianism. This principle suggests that the processes that operate in the present day (such as erosion, sedimentation, and volcanic activity) are the same processes that have operated in the past, allowing us to understand Earth's history through current geological processes.
The present is the key to the past. This statement rephrases the _____.
principle of original horizontality
principle of uniformitarianism
principal law of gravity
principle of cross-cutting relationshipsJ
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