Explanation:

1, 2 and 3. The Ramsar definition of wetlands is fairly wide, including “areas of marine water the depth of which at low tide does not exceed six meters” as well as fish ponds, rice paddies and salt pans. wetlands can be freshwater as well. Freshwater wetlands are not connected to the ocean. They can be found along the boundaries of streams, lakes, ponds or even in large shallow holes that fill up with rainwater. Freshwater wetlands may stay wet all year long, or the water may evaporate during the dry season.