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Hydrosphere Video Lecture | Zoology Optional Notes for UPSC

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FAQs on Hydrosphere Video Lecture - Zoology Optional Notes for UPSC

1. What is the hydrosphere?
Ans. The hydrosphere refers to all the water on Earth, including water in oceans, rivers, lakes, glaciers, and underground water sources.
2. How important is the hydrosphere to life on Earth?
Ans. The hydrosphere is essential for life on Earth as it provides water for drinking, irrigation, and supports various ecosystems. It also plays a crucial role in regulating the Earth's temperature.
3. How does the hydrosphere interact with other Earth systems?
Ans. The hydrosphere interacts with the atmosphere through processes like evaporation and precipitation, with the geosphere through erosion and sedimentation, and with the biosphere through providing habitats for aquatic life.
4. What are some major threats to the hydrosphere?
Ans. Pollution, over-extraction of water resources, climate change, and habitat destruction are major threats to the hydrosphere that can have detrimental effects on water quality and aquatic ecosystems.
5. How can individuals help protect the hydrosphere?
Ans. Individuals can help protect the hydrosphere by conserving water, properly disposing of waste, reducing the use of chemicals that can pollute water sources, and supporting policies that promote sustainable water management.
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