Podcast
Questions and Answers
What percentage of Earth's surface is covered by water?
What percentage of Earth's surface is covered by water?
- 55%
- 71% (correct)
- 40%
- 85%
Which of the following is the largest source of fresh water on Earth?
Which of the following is the largest source of fresh water on Earth?
- Rivers
- Lakes
- Groundwater
- Glaciers and ice caps (correct)
What is the approximate percentage of drinkable fresh water on Earth?
What is the approximate percentage of drinkable fresh water on Earth?
- 25%
- 10%
- 50%
- Less than 1% (correct)