Respuesta :
Here is the answer that would best complete the given statement above. The physical, chemical, and biological laws that operate today also operated in the geologic past and this statement relates to the principle of UNIFORMITARIANISM. Hope this answers your question.
Answer:
The principle of uniformitarianism states that the physical, chemical, and biological laws that operate today have also operate today have also operated in the geological past. This theory explains the fact that changes in the earth's crust during the history have resulted from the action of continuous and uniform processes.