What type of water is found in an estuary?
AFreshwater only
BSaltwater only
CBrackish water
DStagnant water
Answer:
C. Brackish water
Read Explanation:
Many rivers develop a highly specialised zone before joining the proper sea. This zone is called - Estuary
An estuary is a transitional zone between rivers and sea representing an ecotone possessing unique ecological features and biotic communities.
An estuary is semi-enclosed part of the coastal ocean containing brackish water that has free connection with the sea on one side and on the other side it is connected with a river mouth and receives fresh water.
Estuarine sedimons are, anoxic below the first few centimeters unless they have large particle size and/or large number of burrowing animals such as ghost shrimp (Callianassa) and the hemi chordat worm (Balanoglossus)