How did Vikings get fresh water?

Why does it take so long to fly across the pacific ocean? The state that the great lakes are in which climate zone? What warm water current is found just off the eastern coast of the untited states? What are the dams in South Dakota? Where is McNary dam located? Why is slash and burn called slash and burn? What are the steps to grow tower? What is the vetegatation like in the Amazon rainforest? What does lake titicaca look like? Who are dwellers of the volga? Where is the river thames mouth? When is it coolest in the Amazon rainforest? What is the path of the ganges? What country is the Cloud Rainforest located? What is the sea between Korea and china? How far is the great basin from Las Vegas? Is there sharks or eels in Niagara Falls? Where is swanage bay found in the UK? How much water did a covered wagon carry? Where is the corkscrew from Alton towers now?