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.

Antarctica is located at the South Pole. It is the fifth-largest continent on Earth. It is as big as the United States and Mexico combined. Antarctic ice contains 70 percent of the world's fresh water. It also contains 90 percent of the world's ice. Antarctic ice can be as thick as two miles (3.2 kilometers). Though Antarctica is covered by miles of snow and ice, it hardly ever snows. It is too frigid for rainfall. Antarctica is a dry land surrounded by oceans.Do It!Antarctica has an unusual _________.Press enter to interact with the item, and press tab button or down arrow until reaching the Submit button once the item is selectedA historyB governmentC climateD language

Antarctica is the coldest, emptiest, and driest place on Earth. Ninety-nine percent of Antarctica is covered by ice about 5 metres thick. The coldest temperature ever recorded on Earth was minus 89.2 degrees Celsius, registered on July 21, 1983, at Antarctica’s Vostok station. This continent is dry, windy, and very cold.  ________________ There is an area called Dry Valleys that has not had rain for more than a million years!1 pointMore 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.

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