Respuesta :
answer to number 1. watershed
number 2. point 3
number 3. non point
number 2. point 3
number 3. non point
According to the context, the land that supplies water to a river system is called a watershed.
What is a watershed?
It may be an accident of geographical character that supposes a depression in the surface of the Earth.
In this sense, it can refer to a valley in the middle of heights or a land whose waters go towards the same sea, river or lake.
Therefore, we can conclude that according to the context, the land that supplies water to a river system is called a watershed.
Learn more about a watershed here: https://brainly.com/question/13313239
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