i believe that streams don't run up or down. it has something to do with the gravity and wind altitude.. ?
run-off
Run off- run off is the part of the water cycle that is right after precipitation. run off is when water goes into the ground or rolls down a hill and goes into a lake, river ,ocean, pond, or puddle.
Run off
Streams join together to become rivers. Then the water from the rivers and streams will eventually run into the ocean or a lake.
water
Run off is where, say you lived on a farm and you have a little steep hill that leads to a pond. If you watered your plants some of the water you used would 'run off' down the hill and into the pond.
Most people believe that bears are too large and too heavy to run down the hill. However, the truth is that a bear can run up, down, and along a hill.
Water depletion would mean that streams would dry out, and rivers run low.
If rainwater runs downhill down a street to get to the river and the river is flooding, the water will run back uphill (i.e. it will back-up) because it has no other place to go.
Run. danannanana
Other parts of land that isn't having a drought, water soaks into the ground and if its on a hill then the water will run down it and fill up the water table that are dry.
When water vapor condense to form clouds. it comes down in the form of rain and then flows into the river bodies.