Why Did the Egyptians Drown in the Sea Rather Than the Nile as Measure for Measure?

This source-based Torah study examines the question: Why Did the Egyptians Drown in the Sea Rather Than the Nile as Measure for Measure? It follows the canonical Hebrew discussion through the parasha and classical Jewish sources. The localized layer is a concise discovery summary rather than a full translation of the article body; any halakhic, historical, theological or practical claims remain source-framed and subject to the canonical review status.