Why is the ocan salty?

Are there 23 deserts around the world? What animals live in Glacier National Park? What are the commonly used types of precast pre-stressed floor and roof slabs? What is the name of the small separate part of Russia that lies of the Baltic Sea between Poland and Lithuania? What can be found in Ebro river? Park at the basement car park or in the basement car park? Where is Banaswadi? What was daily life like for priest in mission? What is the block or slab that a statue rests on called? What are the measurements of the Dover Castle? Why does my tooth still hurt after a root canal? How do you get fresh water? Topographic rise between two streams is called? What happens when ship rise enters the sea from a river? What insect eats fruit in the amazon rain forest? Was the cumberland road a dirt road? Where is the widest river located? What is the area of Meskinsay Forest Reserve? Where is the Columbia Arts in Hood River Oregon located? Is there a desert in Paris?