subsidence
The land area that supplies water to a river stream.I think this is incorrect:my understanding is that a drainage basin is somthing that supplies a river or stream, a water shed is a dividing line between drainage basins?
Water, air, land, and life.
One of the greatest threats to the world's drinking water supplies ... which contaminate drinking water supplies (groundwater supplies).
The Inca built a system to bring the water
Because it is the land area that supplies water to a river system :)
A water catchment area.
The land area that supplies water to a river system.
Because it is the land area that supplies water to a river system :)
A water catchment area.
a system that supplies dry land with water through ditches, pipes, or streams
I am afraid not, my dear boy.
Irrigation systems such as irrigation ditches, channels and canals artificially supply dry land with water.A river is a system which supplies dry land with water naturally, not artificially.
watershed
aquafilter
A cell like algae living on land obtains its water supplies mainly from the rain. This is through the process of condensation whereby it takes in atmospheric water vapor.
The Colorado River.