Please provide the "why" and "how" questions that involve "God" that add to the discussion of the freezing of water in any way.
In fact, we can broaden it. Name one instance where invoking God has helped add to the scientific process in any way.
Why do you not understand that to posit God as the agent of the universe has nothing to do with man’s attempts to explain the working of various parts of the universe through the use of science?
Example. After the fifteenth century, the production of books was greatly multiplied because of a new invention. And to explain the mechanism of movable type is entirely separate from and independent of any mention of the person, Johannes Gutenberg.
Is movable type an explanation for the printing press? Yes.
Is Johannes Gutenberg an explanation for the printing press? Yes.
Mechanism on the one hand, agency on the other.