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«Презентация по английскому языку на тему: "Антарктика".»
Antarctica
Antarctica is the fifth largest continent. It is located over the south pole. The total surface area is about 14.2 million sq km.
In summer its approximately twice the size of Australia. In winter Antarctica doubles in size.
Why is Antarctica so cold ?
1. Sun raises fall on Antarctica at a very small angle, this means little sunlight reaches it.
2. Antarctica is the highest continent with an average elevation above sea level of 2,300m
3. Antarctica has a large landmass .
Antarctica can be classified as a dessert, because it gets only about 50mm of fallout, less than the Sahara!
Antarctica is the coldest and the windiest continent.
The lowest temperature recorded on earth is -82,2 ? c and the fastest wind was 320km/hr.
Large icebergs are formed at the coasts and glaciers clave off into the sea.
There are at least two active volcanoes in Antarctica.
What kind of plants and animals are there in antarctica?
Vegetation is limited to about 350 species of mostly lichens mosses and algae. Some algae prefer to live in the rock rather than on it.
The surrounding ocean is filled with marine life, especially krill.
Six species of seals and twelve species of birds live and breed in the Arctic.
The most famous inhabitant of Antarctica is the penguin.