What is associated with: 12500 above sea level this south american lake bordering bolivia peru is the worlds most navigable lake?

Based on the clue '124 islets reefs shoals 8 major islands make up ...', what is the answer? What is associated with: 125 degrees on july 29 1994 in laughlin? What is associated with: 1250 feet from sidewalk to roof completed in 1931 not giant ape friendly? What is associated with: 1250 mile long wonder seen here? Based on the clue '125th anniversary of the light bulb is on the reve...', what is the answer? What is associated with: 1265 1321 it hot damn? What is associated with: 128 americans died when the germans sank this liner may 7 1915? What is associated with: 128 americans died when this british liner was torpedoed by a german submarine on may 7 1915?