How do lighthouses signel night vs day?

Where do you get the exp share in Pokémon's colosseum? Is saint Pierre located in the Atlantic Ocean? What are the black marks on the western wall? Who was thrown into the Tiber river? How did the Appalachian mountains affect the colonies? Where is the North Lincoln County Historical Museum in Lincoln City Oregon located? What is the major landmark of Syria? Do things really disappear in the Bermuda triangle? How many parks are closed because of litter? How long is the longest dead sea scroll? Is camp koholowo in payson canyon? How many meters is it to cross across the Atlantic ocean? Is lake English loch Scottish? Did sir George Everest lose his sight? What is the french name for the channel tunnel? What is the culture like in the Mojave Desert? Is the Great Wolf Lodge as great as people say it is? In the Atacama Desert how much rain falls in a year? What river systems did the Egyptian and sumerian use? What did farmers do in mesopotamia to control water problems?