10 most difficult seas riddles A list of ten (out of 98) seas related questions that are the most often answered incorrectly Seas quiz The Caspian Sea, the largest lake in the world, is: North freshwater, south saltwater, east super salty. The Caspian Sea, fed by freshwater (sweet) rivers, mainly Volga (80%) and Ural in the north, is freshwater, while it's deeper, warmer and saline (1.2%) in the south. The salinity of Garabogazköl, shallow eastern bay is 35%!very hard 15% freshwater freshwater35% saltwater saltwater33% North freshwater, south saltwater North freshwater, south saltwater16% North freshwater, south saltwater, east super salty. North freshwater, south saltwater, east super salty.15%Created by: Katarzyna Dąbrowska. Statistics based on 521 answers in 2 languages »lakes riddles » Caspian Sea, the biggest lake on Earth was earlier:An ocean. Caspian Sea among with Mediterranean Sea and Black Sea are remnants of Tethys Ocean that once separated Asia and Africa. 5.5 mln years ago it has been uplifted and separated from the rest of world ocean.very hard 16% a freshwater lakea freshwater lake23%a huge rivera huge river14%an open seaan open sea45%an oceanan ocean16%Created by: smyru. Statistics based on 351 answers in 2 languages »geology riddles » Which of the sea currents is the strongest?Antarctic Circumpolar Current. This cold sea current circulates the globe in the far south. It creates a zone of very strong winds and storms, by which sailing Cape Horn is such a challenge for sailors. Depth of current exceeds 3000 m.very hard 24% Antarctic Circumpolar CurrentAntarctic Circumpolar Current24%Equatorial Counter CurrentEquatorial Counter Current12%Gulf StreamGulf Stream42%North Atlantic CurrentNorth Atlantic Current20%Created by: Katarzyna Dąbrowska. Statistics based on 4661 answers in 2 languages »sailing riddles » Which river flows into the Arabian Sea?Indus rises in the Himalayas and flows southwards into the Arabian Sea. Other large rivers of the Indian subcontinent: Ganges or Brahmaputra, flow into the Bay of Bengal.very hard 25% IndusIndus25%GangesGanges21%Syr DaryaSyr Darya15%Jordan RiverJordan River38%Created by: globalquiz.org. Statistics based on 1763 answers in 9 languages »Pakistan riddles » This is Sable Island, known as the graveyard of the Atlantic. It is about 109 miles southeast of Nova Scotia. What is the island origin?Post-glacial. Sable Island is believed to have formed from a terminal moraine deposited on the continental shelf near the end of the last Ice Age. It emerges from vast shoals and shallows which, in tandem with frequent fog and sudden storms, have caused over 350 recorded shipwrecksvery hard 29% post-glacialpost-glacial29%coralcoral23%volcanicvolcanic19%it is the top of a drowned mountainit is the top of a drowned mountain27%Created by: globalquiz.org. Statistics based on 6249 answers in 2 languages »satellite photos riddles » What is the largest river flowing into the Arctic Ocean?Yenisei. The average discharge of Yenisei is 19,600 m³/s. It is more than Mississippi, Ganges or Paraná.very hard 31% YukonYukon32%NevaNeva11%AmurAmur23%YeniseiYenisei31%Created by: globalquiz.org. Statistics based on 3067 answers in 9 languages »Arctic riddles » Which river flows into the Sea of Azov?Don River. Sea of Azov is a small and shallow sea, sometimes regarded as a northern extension of the Black Sea. Two large rivers, Don and Kuban, flow into it, and so the sea has low salinity and a high amount of biomass (such as green algae) that affects the water colour. It was known in Ottoman Turkish as the Balük-Denis ("Fish Sea") from its high productivity.very hard 32% VolgaVolga24%Amur RiverAmur River27%AngaraAngara15%Don RiverDon River32%Created by: globalquiz.org. Statistics based on 4195 answers in 9 languages »Ukraine riddles » What sound can be heard when approaching an iceberg?A fizz. When a piece of iceberg ice melts, it makes a fizzing sound called "Bergie Seltzer". This sound is made when the water-ice interface reaches compressed air bubbles trapped in the ice. As this happens, each bubble bursts, making a 'popping' sound. The bubbles contain air trapped in snow layers very early in the history of the ice, that eventually got buried to a given depth (up to several kilometers) and pressurized as it transformed into firn then to glacial ice.very hard 34% a cracking noisea cracking noise47%a fizza fizz34%a roara roar7%a whispera whisper10%Created by: globalquiz.org. Statistics based on 8752 answers in 4 languages »ice riddles » Where is the Gulf of Bothnia?Between Sweden and Finland. A number of rivers from both countries flow into the gulf. As a result, a salinity gradient exists from north to south. In the south the water is the normal brackish water of the Baltic Sea, but in the north, the salinity is so low, that one can no longer taste the salt in the water and many freshwater fish thrive in it.very hard 35% between Finland and Russiabetween Finland and Russia31%between Sweden and Finlandbetween Sweden and Finland35%between Sweden and Denmarkbetween Sweden and Denmark16%between Finland and Estoniabetween Finland and Estonia15%Created by: globalquiz.org. Statistics based on 11915 answers in 2 languages »Baltic Sea riddles » Which river flows into the Bering Sea?Yukon River. The total length of the river is 1982 miles (3190 km). There are only four vehicle-carring bridges across the Yukon River.very hard 35% Lena RiverLena River17%YeniseiYenisei23%Amur RiverAmur River24%Yukon RiverYukon River35%Created by: globalquiz.org. Statistics based on 3028 answers in 9 languages »Alaska riddles » Play seas quiz and see all the questions.