The zone at the edge of a lake or ocean which is alternatively exposed to air and immersed in water is called

Only consumers occurs in water zone called

Only consumers occurs in water zone called

Open water zone in a deep lake/sea is called

Open water zone in a deep lake/sea is called

Zone of water where there is rapid decrease in temperature is called -

The water zone below 200 meters is called:

The reddish brown powder on the surface of iron nails exposed to air and miosture is called . . . . . . . . . . . . . .

The bottom zone in a lake is called