What is the function of roller in a mouse?

What type of water does the Golden Gate Bridge cross? What vegetables grow near the nile river? Disadvantages and advantage of maxwell bridge? How much does brown mill water park cost? Ocean trench named after the brother of poseidon? The success of U.S. naval operations in the Persian Gulf was marred by what? Where is callaway gardens located? What and where is the deepest trench on the ocean floor? What were the problems with river travel? What are the curative powers of the water of the Dead Sea? What 2 countries have a deciduous forest? What is the landmark of General Trias Cavite? What ships were called greyhounds of the seas? Which city located along the patapsco river became a major center for shipbuilding? What did the Indian Ocean earthquake 2004 measure on the Richter scale? How much does it cost for a commercial vehicle to cross chesepeake bay bridge? Why do all the terracotta warriors look different? When was access to Lincoln Memorial restricted? How did Vanderbilt consolidate the railroads between NYC and great lake region? What type of noun is 'The Orange River flows through South Africa'.?