This chapter is designed to teach you: 1  The shifts in perspectives throughout American history. 2  Characteristics of various literary periods. 3  Famous authors and their works.  How to classify American literature within a movement.
Antarctica global warming has become a burning issue of the present time. Global warming in Antarctica will pose a serious threat to the rise in water level. Hence, Antarctica global warming has become a great concern for the scientists and researchers. As most of this continent is covered by ice, the impact of global warming is more acutely felt here. With the increase in the number of automobiles, air pollution has been on the increase in the last 20 years. This is one of the major causes of global warming.
Antarctica. Antarctica is the coldest continent on earth, and has a climate of extremes. The continent is snow-and ice-covered, with freezing temperatures all year round. So-called Catabian winds can cause violent snowstorms that can last for days, and sometimes even weeks, making it very dangerous to stay outside.