All of the following are true about the 1970 survey of Antarctica EXCEPT that itPregunta 5Seleccione una:A.made use of radio wavesB.was conducted by airC.did not measure the exact size of the lakeD.was controlled by a satellite

The paragraph following the passage most probably discussesPregunta 10Seleccione una:A.further discoveries on the surface of AntarcticaB.problems with satellite-borne radar equipmentC.ways to study Lake Vostok without contaminating itD.the harsh climate of Antarctica

It can be inferred from the passage that the ice would not be flat ifPregunta 6Seleccione una:there were no lakethe lake were no so bigantarctica were not so coldradio waves were not used

The existence of Antarctica was completely unknown until the continent was first discovered in 1820. Antarctica doesn’t have a government and belongs to no country. _____________________There are 30 various countries that operate 80 research stations located around the continent. In summer, more than 4000 scientists from all over the world work in research stations. Tourists arrive here, too. _______________________2 pointsMore than 56,000 people travelled to Antarctica during the 2018-2019 season.Also hiding under the Antarctic ice is an entire lake called Lake Vostok.But there are a lot of penguins.Winds in some places can reach 320 km/h.But Antarctica hasn’t always been an icy land.It is just too cold!Antarctica is the land surrounded by the ocean.It is the only place in the world that is not ruled by any nation.

During the last few decades, accumulated ice in Antarctica has:Question 11Select one:increased everywhereincreased in some places and decreased in othersdecreased everywherenot changed much at all

YouAustralia claims a large section of Antarctica. How could this influence Australia's actions within the Antarctic Treaty System? Please use one specific instance to support your argument.