What percentage of the earth’s surface is covered with water ?

Options

A. about 51 per cent
B. about 21 per cent
C. about 71 per cent
D. about 81 per cent

Answer

To find out what percentage of the Earth's surface is covered with water, follow these steps:

1. **Understand the Total Coverage**: The Earth's surface is made up of both water and land. It is essential to know the total percentage that represents the entire surface.

2. **Identify the Water Coverage**: According to the information, approximately 70% of the Earth's surface is covered with water. This includes oceans, rivers, lakes, and other bodies of water.

3. **Clarify the Distribution**: Out of the total water coverage, about 96.8% is ocean water, while the remaining percentage consists of freshwater sources like rivers and lakes.

4. **Final Calculation**: Since the question specifically asks for the percentage of the Earth's surface covered with water, we can conclude that approximately 71% of the Earth's surface is covered with water.

5. **Conclusion**: Therefore, the answer to the question is that 71% of the Earth's surface is covered with water.