How is the first seas formed?

Where does a river starts? Why does the Bermuda triangle bring bad luck? What happens to house values in the area of a theme park? When was Jerusalem Chords Bridge created? What is an alluvial deposit at the mouth of the river? Are there only graves at the Arlington cemetery? Is a coral a poriferan? What geyser can reach 200 feet in the air in Yellowstone national park? You have a one troy ounce fine silver coin with no date has liberty on top front with ladys face chest eagle on back what is it how much is it worth? Which sea is part of the arctic ocean? What are the three technologies used to explore the ocean and how is it used? Where is the Poca in Poca located? Where is the Paradise Depot Museum in Paradise California located? What are the natural resources in Great Lakes and St Lawrence Lowlands? Where is diamond lake located? If you were sailing on the ocean and the ship came cross a hurricane on which ocean would you be? What is the most famous tourist attraction in the US? What do pesticides do.what would happen if they get into the river? What river makes up part of Botswana's border? What is the plural of attraction?