Q1
What percentage of Earth's surface do oceans cover?
AAbout 71%
BAbout 30%
CAbout 50%
DAbout 10%
SSCClass 6 (SSC)Geography (भूगोल)Ch 6 · Topic 2
Practice and Revision - Importance of Oceans
Let us practise and revise what we learned about importance of oceans. Oceans cover most of Earth's surface and play a vital role in climate
Core concept
Oceans cover about 71% of Earth's surface and hold most of Earth's water, playing a key role in the global water cycle.
How it works
Oceans help regulate Earth's climate by absorbing heat and carbon dioxide, moderating temperatures around the world.
Why it matters
Oceans provide valuable resources like fish, minerals, and are important for trade routes, transportation, and tourism.
Key detail
Oceans support incredible biodiversity, home to millions of marine species, making their protection essential for global ecosystems.
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Quick notes
• Oceans cover ~71% of Earth's surface.
• They hold most of Earth's water.
• Oceans regulate climate.
• They absorb heat and CO2.
• Oceans provide fish, minerals, trade routes.
• Also important for tourism.
• Oceans support huge biodiversity.
• Protecting them is essential for ecosystems.