6 Questions
What percentage of Earth's surface is covered in water?
Almost 71% of Earth's surface is covered in water.
What are the two different types of water?
The two different types of water are fresh water and saline water (or salt water).
Why is the large majority of water on Earth not safe for drinking?
The large majority of water on Earth is not safe for drinking because it is saline water, which contains salt and other impurities.
What are some of the different sources of water on Earth?
Oceans, lakes, rivers, streams, glaciers, and ice caps.
What percentage of Earth's surface is covered in water?
71%
Why is the large majority of water on Earth not safe for drinking?
Because it is saline water (or salt water).
Test your knowledge on Earth's water supply and its different sources. Learn about the percentage of water on Earth's surface, its availability for drinking, and the various sources that contribute to our water supply.
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