Fresh Water Distribution and Accessibility

The video explores the distribution of Earth's water, highlighting that 96.5% is salt water, 2.5% is fresh water, and 1% is other salty water. It delves into the 2.5% fresh water, noting that 70% is in glaciers, 30% is groundwater, and 1.2% is surface water. Further analysis of surface water reveals that 69% is in ground ice, 20.9% in lakes, and 10.1% in rivers, atmosphere, and other sources. Ultimately, only 0.03% of Earth's water is easily accessible fresh water.

What percentage of Earth's water is salt water?

• 96.5%

• 2.5%

• 0.03%

• 1%

How much of Earth's water is fresh water?

• 0.03%

• 2.5%

• 96.5%

• 1%

What percentage of fresh water is locked in glaciers and polar ice caps?

• 70%

• 30%

• 20.9%

• 1.2%

Where is the majority of Earth's fresh water found?

• In the atmosphere

• In lakes

• In rivers

• In glaciers and ice caps

What percentage of fresh water is accessible through wells?

• 30%

• 70%

• 20.9%

• 1.2%

What fraction of Earth's water is surface fresh water?

• 96.5%

• 2.5%

• 0.03%

• 1.2%

What percentage of surface fresh water is found in ground ice or permafrost?

• 1.2%

• 10.1%

• 20.9%

• 69%

Where is 20.9% of surface fresh water found?

• In the atmosphere

• In lakes

• In rivers

• In glaciers

What percentage of surface fresh water is found in rivers, atmosphere, and living things?

• 10.1%

• 20.9%

• 69%

• 1.2%

What is the percentage of Earth's water that is easily accessible as fresh water on the surface?

• 0.03%

• 1.2%

• 2.5%

• 96.5%