Because the water may collect at the bottom of the basin, or evaporate.
The Atlantic OceanThe Amazon river eventually empties into the Atlantic Ocean
The largest known river basin in the United States is the Mississippi
Atlantic ocean
A drain basin is an area of land where rain water and melting snow come together to drain into larger bodies of water such as rivers, lakes, reservoirs and eventually the ocean.
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A drainage basin is an extent or area of land where water from rain and melting snow or ice drains downhill into a body of water, such as a river, lake, reservoir, estuary, wetland, sea or ocean. A drainage divide is the line separating neighbouring drainage basins (catchments).
The basin was clean and shiny, ready to be used.
A River basin is the portion of land drained by a river and its tributaries. It encompasses all of the land surface dissected and drained by many streams and creeks that flow downhill into one another, and eventually into one river. The final destination is an estuary or an ocean. As a bathtub catches all the water that falls within its sides, a river basin sends all the water falling on the surrounding land into a central river and out to the sea.
because the rivers flowing through this region do not find their way to the ocean
a drainage basin is where water from rain fall or snow melting drains downhill into a river or stream, or another kind of body of water.http:/en.wikipedia.org/wiki/Drainage_basin a ocean basin is technically anywhere on earth that is covered by seawater. but according to the geologist an ocean basin is below sea level.http:/en.wikipedia.org/wiki/Ocean_basin
The largest South American river whose mouth is on the Atlantic Ocean is the Amazon. It has the largest drainage basin of any river in the world.
The Arctic Ocean Basin