Similarities and differences between tourism and recreation?

How can a river get long? Where is the John Wesley Powell Memorial Museum in Page Arizona located? Volgograd sits on which river? How many people call over seas in a day? Are iceburgs salty? What civilization lived in the Yangtze valey? Can the address on w4 be po box? Why was the San Miguel mission built? How does water clean itself? Why is the source of the Mississippi river 5 km closer to the center of the Earth than the mouth? What was the largest pyramid? Is Siam bend on the snake river? What is the land that stretches thousands of miles across the ocean called? Does coral flower? Which sea is at the mouth of the Indus River? Is there famous lakes in Luxembourg? What is San Luis Rey named after? What do people in tropical rain forests build their houses out of? Where does the Nile originate? Is Niagara Falls part of the Northeast Region?