Answer:
The factors are various, although there are main and accessories.
The main factor is the climate of the area, that is, if it is a rainier climate, there will be more water masses in the lands where this climate abounds (usually it is wet).
Other factors are: geographical features, flows, the path of rivers, lakes or lagoons, the presence or absence of ports, the number of trees and the distribution of rocks.
Step-by-step explanation:
Another important factor is the height of the land, the higher the level of the earth, the more difficult it will be to accumulate water, this is how low areas are also flooded.