Vistas: Journey to the End of the Earth · Class 12 · CBSE · Science English
What does the geological history of Gondwana chiefly reveal in “Journey to the End of the Earth”?
Practice question from Vistas: Journey to the End of the Earth (Class 12 · CBSE · Science English), with the correct answer and a step-by-step solution.
medium · MCQ · Q-7665E6
What does the geological history of Gondwana chiefly reveal in “Journey to the End of the Earth”?
- A.The present continents have always existed separately in their current positions.
- B.The continents were once joined and later drifted apart over millions of years.Correct answer
- C.Antarctica was formed recently by human activity.
- D.The continents have remained fixed since the origin of life.
Solution
Gondwana was a giant southern supercontinent that gradually broke apart, causing the landmasses to drift to their present locations. This geological history shows that Earth's environment and continents have changed over immense periods of time.
More from Vistas: Journey to the End of the Earth
- Why is Antarctica especially valuable for understanding the causes and consequences of climate change?
- What is the purpose of the Students on Ice programme, and how can it influence the future of the planet?
- Why does the narrator regard Antarctica as a place that expands one's understanding of Earth's past and present?
- Why does the chapter present phytoplankton as vital to the Antarctic ecosystem?
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