10 most difficult seas riddlesSeas quiz
The Caspian Sea, the largest lake in the world, is:
North freshwater, south saltwater
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%!
What is the origin of the name of the Tyrrhenian Sea?
phrase "Terra Incognita"
name of Etruscans
phrase "Terra Romano"
The cities of Tyr
The Tyrrhenian Sea is part of the Mediterranean Sea off the western coast of Italy. It is named for the Tyrrhenian people, identified since the 6th century BCE with the Etruscans of Italy.
What is the strongest sea current?
Antarctic Circumpolar Current
Equatorial Counter Current
North Atlantic 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.
When did the course of the Baltic Sea coastline finally form?
about 5,000 years ago
about 10,000 years ago
about 3,500 years ago
about 2,000 years ago
The Baltic Sea is one of the largest brackish inland seas by area, and occupies a basin formed by glacial erosion during the last few ice ages. It is about 1,600 km (990 mi) long, an average of 193 km (120 mi) wide, and an average of 55 metres (180 ft) deep. The maximum depth is 459 m (1,506 ft).The current course of the shoreline was formed about 2 thousand years ago.
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?
it is the top of a drowned mountain
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 shipwrecks
Which river flows into the Arabian Sea?
The 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.
To which country do Åland Islands belong?
It is an archipelago at the entrance to the Gulf of Bothnia in the Baltic Sea belonging to Finland. It is autonomous, demilitarised and is the only monolingual Swedish-speaking region in Finland, hence the similarity of the flag above to the Swedish one.
What is the literal meaning of the name Gibraltar?
The Altar of Gods
The Pillars of Hercules
The Gate of Tartarus
The Mountain of Tariq
The name "Gibraltar" is the Spanish derivation of the Arabic name Jabal Ṭariq, meaning "Mountain of Ṭariq". Following a raid in 710, a predominately Berber army under the command of Tariq ibn Ziyad crossed from North Africa in April 711 and landed somewhere in the vicinity of Gibraltar (though most likely not in the bay or at the Rock itself). Tariq's expedition led to the Islamic conquest of most of the Iberian peninsula.
What sound can be heard when approaching an iceberg?
a cracking noise
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.