According to the text, when Moses strikes the river with his staff, the river turns to blood, causing all water sources in Egypt to turn to blood as well, including water in houses and vessels. This was also the reason why the Nile was considered a sacred blessing by Egypt. The phenomenon of red tide occurs when plant plankton undergoes mass proliferation, changing the color of the sea due to changes in environmental factors such as sunlight, water temperature, and salinity. The Nile River is the source of water for all of Egypt, and it is said that when Moses strikes it with his staff, the water turns to blood and the fish die, causing a foul smell. The reason for this flood is the seasonal heavy rains that fall in the Ethiopian highlands in the spring, causing the Blue Nile to overflow from May onwards. Due to continued climate change, the once lush forests in Northern Africa turned into deserts, and people gathered in the Nile River basin for survival. Finally, when Moses and Aaron dip their staff in the Nile, all water sources in Egypt turn to blood, causing chaos and destruction. Egypt is known for its long-standing history, dating back to 5,000 years ago when civilization began to flourish on the banks of