Fill in the blanks to complete this passage about geologic processes.
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Answer:
➜Geological processes are events that occur on a geological timescale ranging between millions of centuries, hundreds of meters, and thousands of kilometers. Compare this to the everyday models from physics and engineering operated at laboratory units and the scale of human lifetime. Geological concepts represent an abstraction of nature, and the numerical model represents a tremendous simplification of a geological concept. Geological models are conceptualized with the physical, chemical, and biological processes observed from stratigraphic sequences and syn-depositional and postdepositional phenomena introduced by external and internal tectonic forces. Uncertainties are present at various levels, and these limitations are to be appreciated. The results need to be compared with observations. A geologic model can be considered predictive only when the applied parameters are within a reasonable range of values, supported either by measurements or by some type of geological reasoning, and only when the differences between the model outcome and observations are within an acceptable range of uncertainty.