Important Question Answers for the Class 9-Social Science Chapter 3- The Dynamic Atmosphere and Changing Climate ***************************** Very Short Answer Type Questions: 1. Which layer of the atmosphere contains the ozone layer? Answer: The stratosphere contains the ozone layer. 2. Name the gas that makes up the highest percentage of the atmosphere. Answer: Nitrogen makes up the highest percentage of the atmosphere. 3. Which element of weather is measured using a barometer? Answer: A barometer is used to measure atmospheric pressure . 4. What is the normal duration of the southwest monsoon in India? Answer: The southwest monsoon usually lasts from June to September . 5. Which season in India is known as the “hot weather season”? Answer: The summer season is known as the hot weather season. 6. Name the process by which water vapour turns into clouds. Answer: The process is called condensation . 7....
Come To Learn In- Text Question Chapter-The Beginning of Indian Civilization ------------------------------------------------------------------ The Big Questions --------------------------- What is a civilisation? Answer:- A Civilization is a complex society with the following key features:- 1. Cities :- Civilisations have large organised communities or cities where people live and work together. 2. Government :- They have systems of leadership and rules to help manage and organise the society. 3. Writing :- Civilisations often have writing systems to record important information and communicate. 4. Technology :- They use advanced tools and techniques to make life easier and more productive. 5. Culture :- Civilizations have rich traditions, art and beliefs that are shied among their people. Q2. What was the earliest civilization of the Indian subcontinent? Answer:- The earliest known civilization of the subcontinent is ...