The principle difference between where salt marshes and mangrove forests grow is

a.
the salinity of the water
b.
the amount of sunlight the plants receive
c.
the intensity of the waves along the coast
d.
the extent of human development in the area

The correct answer is A. The salinity of water.

The principle difference which is between mangrove forest and salt marshes is the salinity of the water.

Mangrove forest are termed as the small trees or shrubs which grows in brackish water or saline. It occurs in subtropics and tropics.

Mangrove are adapted in harsh condition in the cost.

Salt marshes are also called tidal marsh. They are coastal ecosystem which are found between zones of coastal intertidal between open salt water and land.

Salt marsh provide protection in the coast and supports terrestrial animals.

i believe the answer would be b. hope it : )