What are the sources of dissolved oxygen in water ?

Dissolved oxygen in water is very important for aquatic life. What process are responsible for the reduction of dissolved oxygen in water ?

Dissolved oxygen in wate is very important for aquatic life. What process are responsible for the reduction of dissolved oxygen in water ?

Dissolved oxygen in wate is very important for aquatic life. What process are responsible for the reduction of dissolved oxygen in water ?

Discuss the importance of dissolved oxygen in water. What processes are generally responsible for the deoxygenation of water ?

Discuss the importance of dissolved oxygen in water.

What is the importance of dissolved salts in water ?

What is the importance of dissolved salts in water?