How do you find a permeter of a delta?

Where are Ozark instruments made? Into which sea does the River Rhone flow? What biome is mount McKinley in? What local stone was used to build Edinburgh castle? What r the 3 countries that have a coastline on the Mediterranean sea? List of island biggest to smallest? Where do the soldiers stay in the stone castle? Did the river nile freeze in 1010? What is the river system in which Platte River is found? What is deep sea drilling? Which stream load consists of particles of fine sand and silt? Is flooding predictable or unpredictable in the indus river? How do you get to battery park from time square? What is the distance by road from Santa Barbara to Grand Canyon? Do you consider yourselves fortunate not to be a desert people? What does dry mean temperate or tropical? Distinguish between life in the Sahara desert and life in ladakh? How many Marinelands are there? What materials do you need to build an auditorium? How deep is the river seven?