The Amazon river
A delta formed by the amazon by when the river flows into a bigger body of water. The transition of the water is known as a delta. The delta divides into many different channels once the river mixes with a sea or lake. If the amazon river ever changes course the development of cities will change greatly, and the amazon river basin will be partly washed away. One of the main transportation for the people is the river so if it changes course the people will have to find new routes. The amazon river is always constantly always changing course there is no specific answer when the last time it changed. The river is always changing its route and there in no specific answer when it will change again. Every year due to wheather and seasons the river is always changing slightly because of erosion. If the river ever has a massive change cities can be ready by building levese or spill ways to protect from flooding.