Question

The closest value to the percentage of the Earth’s surface covered by the oceans is

• A. 30%
• B. 50%
• C. 70%
• D. 90%

Hint:

Remember: “7 continents, 70% oceans” — a simple mnemonic for this fact.

Answer 1

The Correct Option is C

Step 1: Understanding Earth's surface.
About 71% of Earth's surface is covered by oceans, and the remaining 29% is land.
Step 2: Selecting the closest value.
Among the given options, 70% most closely represents the actual proportion of ocean coverage.
Step 3: Conclusion.
Hence, approximately 70% of Earth’s surface is covered by oceans.