One reason for the great number of people living on the Ganges River Plain is the plain's?

What is called a person who shows people around a place for example a town or museum? What are the differences between the Grand Canyon and Lake Erie? What was the floor plan of the Hagia Sophia? When was Mississippi declared a state? What incentive do peopke have to settle near a river? What is a place where a river has carved out cliffs? How can we clean rivers? Famous buildings around the world? What type of fog can be produced from moisture from the gulf of Mexico that is lifted to the rocky mountains? How long is the merrimack river? Why did the second head on Mount Rushmore start to crumble? What does big mouth mean? What is relationship between ship and port? Is the story bridge an arch bridge? Name someone who holds a torch in their hand? This was the key city that guarded the Mississippi river? Where is the Huddleston Farmhouse Inn Museum in Cambridge City Indiana located? How do Desert black buck adapt to living in the desert? Who was the king of machu picchu? Which two countries are found in the Caribbean island?