How Is a Swamp Different from a Marsh

Multiple Choice

How is a swamp different from a marsh?

A) Swamps have trees,while marshes do not.
B) Marshes are freshwater while swamps are salt water.
C) Swamps have low productivity,while marshes have high productivity.
D) Swamps have water saturated ground composed of peat,while marshes have low productivity.
E) Swamps have high productivity,while marshes have low productivity.