what is the flow of water over earths surface

hint
6 letters

The flow of water over Earth's surface is commonly referred to as "runoff." To find the word that matches the hint, which is "runoff," we can use a technique called anagramming. An anagram is a word or phrase formed by rearranging the letters of another word or phrase.

For this specific hint, there are six letters. We can rearrange these six letters to find the word "runoff," which accurately describes the flow of water over Earth's surface.