Answer the following Questions:1. Explain the work of a river in its lower courseor old stage.2. How are the oceans helpful to human beings?3. Explain the location and significance of theIndian Ocean.4. What are the main sources of water pollutionon the Earth?5. What is the importance of rivers on the Earth?# Map Work:Outline Man of the World, Mark and La

Answer the following Questions:1. Explain the work of a river in its l

1.	Answer the following Questions:1. Explain the work of a river in its lower courseor old stage.2. How are the oceans helpful to human beings?3. Explain the location and significance of theIndian Ocean.4. What are the main sources of water pollutionon the Earth?5. What is the importance of rivers on the Earth?# Map Work:Outline Man of the World, Mark and La
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