Q1
What does the hydrosphere include?
AAll water on Earth
BOnly oceans
COnly rivers
DOnly ice
ICSEClass 9 (ICSE)GeographyCh 8 · Topic 2
Practice and Revision - The Hydrosphere
Let us practise and revise what we learned about the hydrosphere. The hydrosphere includes all water on Earth - oceans, rivers, lakes, groun
Core concept
Oceans make up the largest part of the hydrosphere, covering about 71% of Earth's surface and containing about 97% of Earth's water.
How it works
Freshwater sources, like rivers, lakes, and groundwater, make up a small percentage of total water but are essential for drinking and agriculture.
Why it matters
The water cycle continuously moves water between the hydrosphere, atmosphere, and land through evaporation, condensation, and precipitation.
Key detail
Understanding the hydrosphere helps us appreciate water's importance for climate regulation, ecosystems, and human survival.
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Quick notes
• The hydrosphere includes all Earth's water.
• Oceans cover about 71% of Earth's surface.
• Oceans contain about 97% of Earth's water.
• Freshwater includes rivers, lakes, groundwater.
• Freshwater is a small percentage of total water.
• It's essential for drinking and agriculture.
• The water cycle moves water continuously.
• This involves evaporation, condensation, precipitation.