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 is the coldest place on Earth. The coldest natural temperature ever recorded on Earth was â89.2 Â°C (â128.6 Â°F) at the Russian Vostok Station in Antarctica on 21 July 1983. Antarctica is colder than the Arctic for two reasons.First, much of the continent is more than 3 kilometres (2 mi) above sea level, and temperature decreases with elevation.ntarctica is colder than the Arctic for two reasons. First, much of the continent is greater than 3 kilometres (2 mi) above sea level, and temperature decreases with elevation.