'Raja', 'Rani', 'Rocket' and 'Roarer' falls, collectively known as Jog Falls or Gersoppa Falls, are formed by which river in Karnataka ?
Which river, formed by the union of the Murad Nehri and the Karu Su, flows for 2781 km (1728 miles) through Turkey and Syria into Iraq, where it joins the Tigris to form the Shatt-el-Arab?