Egypt is located on the Mediterranean coast of North Africa, in the middle and lower reaches of the Nile, and flows through the tropical rain forest.

tropical grassland

The seasonal tropical desert and natural belt make the water quantity of the Nile change obviously.

1. Historically, the Nile River flooded regularly. In the process of fighting the Nile, the ancient Egyptians constantly developed their own scientific knowledge, especially in astronomy and geometry. According to the regular flooding of rivers, they made perfect legislation to find the area of irregular polygons and so on, which promoted the prosperity of ancient Egyptian culture.

2. The impact plain formed in the lower reaches of the Nile River is rich in soil, abundant in water and sunlight, which is very beneficial to the development of agriculture. Egypt's long-staple cotton is world-famous, and the Nile provides Egypt with sufficient water for production and life.

The beautiful scenery along the Nile promotes the development of tourism in Egypt.

4. The Nile River bed has a large drop and a large amount of water, which is very beneficial to the development of water conservancy. Aswan Dam along the Nile, 900 kilometers south of Cairo, Egypt, once provided Egypt with a lot of clean water and electricity, but now it has become Egypt's national mourning. In the lower reaches of the Nile, the construction of Aswan Dam has caused many disasters, such as seawater irrigation, land salinization, and sharp decline in biodiversity.