Streams do not mature, they are merely water following paths of least resistance.
Mountain streams are typically in the youthful stage of development. These streams have steep gradients, fast flows, and are actively eroding the surrounding landscape. They are characterized by high energy and are often creating V-shaped valleys.
Mature Stage
They continue.
Your mom.................chest hairs.........
Water fall
It forms an oxbow lake.
YES! It happens as you mature.
it gose to the sun lol
The rivers flow increase.
Poisoning of the water.
ripples, probably a splash
It gets absorbed into the Earth.