Class 7 Geography Chapter 8 The Hydrosphere Question Answer | Getting Ahead in Social Science NEP

Class 7 Geography Chapter 8 The Hydrosphere Question Answer | Getting Ahead in Social Science NEP NCF Answer Key | Orient Blackswan Getting Ahead in Social Science NEP NCF Solutions 7 Getting Ahead SSC Explanations Click Here:- 👇    • 7 Getting Ahead SSC Explanations   Class 7 Social Science All Chapter's Solutions Click Here:- 👇    • 7 Getting Ahead Social Science NEP Answer Key   Science All Chapter's Solutions Click Here:- 👇    • Class 6 Science Answer Key   Your Queries: - Orient Blackswan Class 7 Social Science NEP NCF Book Solutions Class 7 Getting Ahead in Social Science Exercises Answer Key Class 7 Getting Ahead in Social Science NEP NCF Exercises Solutions 7th Class Getting Ahead in Social Science Chapter 8 Exercise Solutions Getting Ahead in Social Science NEP NCF Class 7 notes Orient Blackswan New Book Exercise solutions Class 7 Social Science Class 7 Getting Ahead New Book Answer Key Getting Ahead in Social Science NEP Answer Key Social Science Class 8 Geography Chapter 7 Book Back Answers Getting Ahead in Social Science NEP NCF Exercises Question Answer Class 7th Geography Chapter 8 The Hydrosphere Exercises Work Complete Solution Geography Chapter 8 Exercises Work Answer Key Contact me on Telegram... Link👇 https://t.me/CHAINSIR Contact me on Facebook... Link👇   / 103472258461898   Questions Included in This Video: I. Name the following. 1. The point at which water is found beneath the Earth's surface at any given place 2. The distance of open sea water over which wind has blown 3. The breaking wave 4. Areas that are alternately submerged and exposed by rising and falling tides 5. Small organisms that are eaten by fish and are found in abundance in places where cold currents meet warm currents II. Write T for true or F for false. Correct the false statements. 1. About 97% of the Earth's water is found frozen in the form of glaciers and ice sheets. 2. Strong winds carry water molecules across the seas, leading to waves. 3. 'Neap tide' is another name for 'low tide'. 4. Tides can be used to generate electricity. 5. An aquifer is a water-bearing layer of rock under the ground. 6. Winds that blow over cold currents have led to the development of deserts like the Atacama in South America. III. Multiple Choice Questions 1. The approximate percentage of fresh water found on the surface of the Earth is: a. 68% b. 10% c. 1% d. 30% 2. One of these factors does NOT help determine the height of a wave: a. Depth of the water b. The length of time for which the wind has blown over the waters c. Distance of open water over which the wind has blown d. Wind speed 3. During spring tides, the high tides are especially high: Choose the reason that best explains why: a. the Sun's gravitational pull gets added to that of the Moon b. the Moon's gravitational pull exceeds that of the Earth c. the Sun's gravitational pull gets added to that of the Earth d. the gravitational pull of the Sun on the Earth partially cancels that of the Moon 4. The rotation of the Earth only causes day and night. Choose the statements that disprove this: 5. Though water covers almost 71% of the Earth, very little can be used by humans. Choose the reasons that best explain why: 6. One of these factors does not help cause ocean currents: a. variation in temperature of ocean waters b. the rotation of the Earth c. the revolution of the Earth d. the prevailing winds IV. Answer the following questions in brief. 1. Only freshwater makes up the hydrosphere. Do you agree? Explain your answer. 2. What is a water table? In what regions is it likely to be low? 3. Explain how oceans get salty. 4. Explain how waves move. 5. Name some strategies that were suggested to prevent loss of life and to assist affected people after the Indian Ocean tsunami of 2004. 6. Which of these would be examples of toxic waste: clay teapot, empty plastic bottle, vegetable peels, chemical fertliser? Give reasons for your answer. V. Answer the following questions in detail. 1. Explain what the different sources of freshwater are. 2. With the help of diagrams, show how the gravitational pull of the Sun and the Moon cause tides. 3. ____ are streams of water flowing constantly through the ocean in definite directions; whereas the rhythmic up-and-down movement of water on the surface of the ocean are____. Fill the blanks correctly and explain how the two phenomena are different. 4. Look at this picture of a river and say whether it can be considered a source of fresh water. Give reasons for your answer. What kind of effect do you think this river will have on living beings besides humans? #Class7answerkey #newgettingahead #chainsir #7std #class7 #cbse #hindi #GettingAheadNEP