Question

The total earth’s surface covered by water is :

• A. 75%
• B. 60%
• C. 85%
• D. 50%

Answer 1

The correct option is A

75%

The correct option is A: 75%

Explanation of the correct answer:

1. About 75% of the earth’s surface is covered by water.
2. Of this 75% of saline water in the oceans is 97% and the rest 3% is freshwater.
3. The distribution of 3% freshwater is as follows:

• 72.2% is frozen in glaciers and ice caps.
• 22.4% is groundwater and soil moisture.
• 0.36% is in lakes, rivers, streams, and swamps
  

The final answer is A: 75%.