Where is the river niles sourse?

Which new deal programs oversaw the development of dams and hydroelectric power faculties? Who headed the bhakra nangal dam? What do deposits of sand at the ocean's edge widen? A name of a black rock that you can see through by putting in sunlight? What continent does Yangtze belong to? What two rivers flow into Colorado? What diseases or epidemics in San Luis Rey De Francia? How might the opening of the saint Lawrence seaway have affected the postwar economy? What has to be mixed to produce oxygen? What is the cause of alien abduction? How are deserts defined? Is there a town called myrnam? Did the Mississippi River ever dry up? Where does the zambezi rise? Where and when was Mount Rushmore built? How do you preserve monuments? What is thymex used for? What do the side slits of the ocean floor represent? What is the river on which the the 'Bhakra Nangal' project is built? Does Illinois has 63 miles os shoreline along Lake Michigan?