Journey to the end of the Earth Question Answers: NCERT Class 12 English - Vistas

The study of the region of Antarctica helps to understand the geological history of the world. By knowing the geological history we can get to know about how the earth was divided into different countries. We can understand how climate can change and affect the earth, how temperature is rising and affecting the earth’s balance. It can explain how the life existed on the earth.

Geoff Green included high school students in the student on Ice expedition to provide them the inspiring educational opportunities which will help them foster a new understanding and respect for our planet. He wanted students to know that how sudden interference in nature can change into a disaster in future. By taking them to Ice expedition they will know how rise in temperature is affecting the Ice lands and whole world.

This statement gives the message that a small change in environment can lead to the bigger and drastic developments.  We can understand this statement by taking the example of small grass called phytoplankton. These green grasses go into the process of photosynthesis and lot of animals and marine birds are dependent on it. These plants are source of food for the animals and marine birds. The author says that if there would be further depletion of the ozone layer then it will affect the phytoplanktons and carbon cycle on the globe. So by taking care of these processes which are carried out by plants or grasses then big marine life or bigger animals or mammals can be taken care by themselves.

By knowing the history of Antarctica we can know the fact that millions of years ago how earth got divided into earth masses. We can understand how nature works, the major part of the Antarctica consists of ice masses which consists carbon in the depth which are helpful in understanding the past, present and gives the visualization of future of the earth.