Pretty sure you're a person called Dylan
Answer:
Nile River is the longest by 1,815 miles.
Explanation:
The Nile River is 4,135 miles long and the Mississippi River is 2,320 miles long. The difference in miles is 1,815 miles.
Most of China’s ancient civilizations are hard to find mainly because of the harsh land scapes around mountains. And other areas.
The core i believe is the hottest but it is solid because of all the pressure