Runoff into streams occurs when land can not absorb all the water.

Written By Kimberly Elkin

https://education.nationalgeographic.org/resource/runoff/#:~:text=Article%20Vocabulary-,Runoff%20occurs%20when%20there%20is%20more%20water%20than%20land%20can,of%20natural%20runoff%20is%20snowmelt

Kimberly Elkin
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Ecosystem services are the benefits nature provides such as fishing.
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Mammatus clouds can form precipitation as part of an input to a watershed.