10 most difficult seas riddles A list of ten (out of 24) seas related questions that are the most often answered incorrectly Seas quiz 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 30% post-glacialpost-glacial30%coralcoral24%volcanicvolcanic18%it is the top of a drowned mountainit is the top of a drowned mountain26%Created by: globalquiz.org. Statistics based on 4264 answers in 2 languages »satellite photos 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 Estonia16%Created by: globalquiz.org. Statistics based on 8626 answers in 2 languages »Baltic Sea 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 35% a cracking noisea cracking noise46%a fizza fizz35%a roara roar7%a whispera whisper10%Created by: globalquiz.org. Statistics based on 4817 answers in 4 languages »ice riddles » Which sea animal captures have grown significally since 1970?American lobster. In 1990s several cod stocks collapsed due to overfishing. With the large predatory fish removed, their prey have had population explosions, and the capture of lobster tripled since 1970.very hard 36% blue whaleblue whale14%Atlantic codAtlantic cod36%flounderflounder12%American lobsterAmerican lobster36%Created by: globalquiz.org. Statistics based on 8136 answers in 4 languages »fishing riddles » What sea is that?Black Sea. The coccolithophore are calcite-shedding phytoplankton which has been part of the Black Sea ecology for millennia. In the summer it can color much of the Black Sea cyan, as is evident in this satellite image collected on July 15, 2012.very hard 36% Caspian SeaCaspian Sea33%Red SeaRed Sea15%Black SeaBlack Sea36%Dead SeaDead Sea14%Created by: globalquiz.org. Statistics based on 6410 answers in 4 languages »geography riddles » What does the color range represent in this picture?Water salinity. Launched June 10, 2011, Aquarius is NASA’s first satellite instrument specifically designed to study the salt content of ocean surface waters. The complete first year dataset of NASA's Aquarius instrument reveals seasonal changes in the Amazon River's plume. Depending on the prevailing currents, the river's freshwater outflow heads east toward Africa or bends up north to the Caribbean.very hard 38% water temperaturewater temperature34%sea currents speedsea currents speed12%water salinitywater salinity38%sea depthsea depth14%Created by: globalquiz.org. Statistics based on 9217 answers in 4 languages »oceans riddles » How is this narrow strip of land, attaching an island to the mainland, called?Tombolos are formed by wave refraction. As the waves near an island, they are slowed by the shallow water surrounding it. These waves then refract or "bend" around the island to the opposite side as they approach, sweeping sediment together from both sides.very hard 39% skerryskerry25%sandiesandie29%tombolotombolo39%splitsplit5%Created by: Kasia. Statistics based on 5532 answers in 2 languages »geology riddles » Where is the famous Malibu Beach?Los Angeles. Malibu is a 21-mile beach community in Los Angeles County, California. It has nothing in common with the Malibu Rum, the city name is derived from "humaliwo", meaning "the surf sounds loudly" in the language of the Chumash, Native American tribe.very hard 39% BarbadosBarbados7%CubaCuba7%FloridaFlorida45%Los AngelesLos Angeles39%Created by: Kasia. Statistics based on 11451 answers in 2 languages »geographic names riddles » Which landlocked country has the largest navy?Bolivia. Although Bolivia has been landlocked since the War of the Pacific in 1879, it still maintains its navy, which patrols Lake Titicaca and Bolivia's larger rivers. The Navy serves as a symbol that the country has not given up on regaining its lost access to the sea. As of 2008, the Bolivian Naval Force had approximately 5,000 personnel.very hard 39% MongoliaMongolia11%AustriaAustria21%ParaguayParaguay27%BoliviaBolivia39%Created by: globalquiz.org. Statistics based on 4611 answers in 2 languages »Bolivia riddles » How old is Baltic Sea?12 000 years old. Baltic Sea is one of the youngest seas in the world. It was formed after the last ice age as ice-lake, which later turned into a sea.hard 40% 1200 years old1200 years old5%12 000 years old12 000 years old40%120 000 years old120 000 years old32%12 000 000 years old12 000 000 years old21%Created by: KYRTAPS. Statistics based on 8346 answers in 4 languages »water riddles » Play seas quiz and see all the questions.