Water Distribution on Earth

Front

What percentage of Earth's surface is covered with water?

Back

About 70% of Earth's surface is covered with water.

Front

Why is most of Earth's freshwater not used for drinking?

Back

Most of Earth's freshwater is frozen in glaciers and ice caps.

Front

Is it true that saltwater is abundant on Earth, but freshwater is limited?

Back

TRUE

Front

What is the open ocean/pelagic zone?

Back

It is any water in the ocean that is not close to the bottom, including all the water in the ocean from the surface almost to the bottom.

Front

Where is most of Earth's freshwater trapped?

Back

Most of Earth's freshwater is trapped in glaciers and ice caps.

Front

What is the primary source of Earth's saltwater?

Back

The primary source of Earth's saltwater is the oceans.

Front

What percentage of freshwater is available for human use?

Back

Only about 1% of Earth's freshwater is available for human use.

Front

What is the hydrosphere?

Back

The hydrosphere is the combined mass of water found on, under, and above the surface of a planet.

Front

What is groundwater?

Back

Groundwater is water that is stored underground in aquifers.

Front

What is the water cycle?

Back

The water cycle is the continuous movement of water on, above, and below the surface of the Earth.