KovalevskayaMaryana

The twenties cardinally changed the culture and American way of life in general. This period was characterized by the appearance of new fashion, e.g. short skirts and bobbed hair, then some prohibitions, especially on drinking alcohol, but people did not pay attention to it while another characteristic of this period was the emergence of a new musical genre, jazz.

The Antarctic is the main source of cold on our planet. It is so important for our life because of its profound effect on  the Earth's climate and ocean system. However, there is a global problem nowadays which results from human activity that threatens the Antarctic enviroment and wild life.