NCERT Class8 Science Book Curiosity Chapter13 QA
Chapter 13 : Our Home Earth, a Unique Life-Sustaining Planet Questions and Answers (1 Mark) Question: What is the Earth? Answer: The Earth is a planet that supports life. Question: Name the planet on which we live. Answer: We live on the Earth. Question: What is the lithosphere? Answer: The lithosphere is the solid outer layer of the Earth. Question: What is the hydrosphere? Answer: The hydrosphere includes all water bodies on the Earth. Question: What is the atmosphere? Answer: The atmosphere is the layer of gases surrounding the Earth. Questions and Answers (2 Marks) Question: Why is the Earth called a unique planet? Answer: The Earth is called a unique planet because it has air water suitable temperature and life-supporting conditions. Question: Name the three domains of the Earth. Answer: The three domains of the Earth are lithosphere hydrosphere and atmosphere. Question: What is the biosphere? Answer: The biosphere is the zone where land water an...