Class 4 Exam > Class 4 Videos > Social Studies for Class 4 > Our Water Resources
Our Water Resources Video Lecture | Social Studies for Class 4
FAQs on Our Water Resources Video Lecture - Social Studies for Class 4
| 1. What are the main sources of water pollution? |  |
Ans. The main sources of water pollution include industrial discharge, agricultural runoff, sewage, and littering.
| 2. How does water pollution affect aquatic life? | |
Ans. Water pollution can harm aquatic life by reducing oxygen levels, introducing toxic chemicals, and disrupting ecosystems.
| 3. What are some ways to conserve water resources? | |
Ans. Some ways to conserve water resources include fixing leaky faucets, using water-saving appliances, and practicing water-efficient gardening.
| 4. How does deforestation impact water resources? | |
Ans. Deforestation can lead to soil erosion, which can cause sedimentation in rivers and lakes, affecting water quality and availability.
| 5. What are the consequences of over-extraction of groundwater? | |
Ans. Over-extraction of groundwater can lead to land subsidence, saltwater intrusion, and depletion of aquifers, impacting both the environment and human populations.
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Sep 01, 2025
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Video Lecture & Questions for Our Water Resources Video Lecture | Social Studies for Class 4 - Class 4 full syllabus preparation | Free video for Class 4 exam to prepare for Social Studies for Class 4.
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