Upon arriving at the scene of a motor vehicle crash, you note that two small cars collided head-on; the occupants are still in their vehicles. The fire department is in the process of stabilizing the vehicles and law enforcement personnel are directing traffic. After parking the ambulance at a safe distance, you and your partner should:

Wetlands form where water and land meet. a lake with a wetland fringe can fill in with decayed plant and animal material to become a wet meadow. a pond can fill in to become a bog or fen. sediment can fill in a river marsh to become a swamp.flooding of coastal lowlands from rising sea levels has created broad coastal marshes that are protected from wave action by barrier islands or reefs. coastal wetlands also form when rivers deposit sediment as they reach the ocean. plants then take root and hold the soil firm against the forces of tides and waves.

Ithink that b is correct but just in case wait to see if someone else answers