A theory of natural causes for the plagues does not do justice to the clear statements of the text. A particular order would be essential for an explanation of the plagues as normal events associated with the overflow of the Nile, but neither the narrative here.
If any of you lacks wisdom, let him ask God, who gives generously to all without reproach, and it will be given him.
One can not grow into holiness, but he can only grow in it. Holiness consists of taking out the old and adding the new....
God patiently guided his charges through the divine pattern he established, yet they continued obstinately to follow their own way, murmuring and complaining all...