A drainage basin
Includes the area from which surface water flows into a stream segment.
For a river includes all the drainage basins for that river's tributaries.
Increases in size and proportion to the size of the stream or river it feeds, for the same climate.
All of the choices are correct.

All of the choices are correct.

Explanation:

A drainage basin  is an area of land where all precipitation that falls will flow or drain downhill into a specific stream or drains off into a common outlet, such as into a river, bay, or other body of water;in other words, it is a network of streams and rivers that collects rainfall and surface runoff from a broad region of land and funnels the water to other rivers, lakes and oceans. It characteristic include:

Includes the area from which surface water flows into a stream segment.

For a river includes all the drainage basins for that river's tributaries.

Increases in size and proportion to the size of the stream or river it feeds, for the same climate.