5.3-The Hydrosphere - 2

What defines freshwater?

• Water with pollutants

• Water without impurities

• Water with dissolved salts

• Water found in oceans

What characterizes saltwater?

• Water without impurities

• Water with dissolved salts

• Water from glaciers

• Water found in rivers

What is runoff?

• The collection of drinking water

• The flow of extra water over land

• The underground water source

• The evaporation of water

What percentage of water on Earth is salty water?

• 70%

• 90%

• 97%

• 100%

What percentage of water on Earth is freshwater?

• 1%

• 3%

• 10%

• 50%

How is freshwater distributed on Earth?

• 2% in glaciers and 1% in rivers, streams, lakes and underground

• 10% in rivers and 90% in lakes

• 50% in underground reservoirs and 50% in oceans

• 70% in glaciers and 30% in underground reservoirs

What is a sea in comparison to an ocean?

• A larger water body than an ocean

• A smaller water body than an ocean

• A body of water with no salt content

• A freshwater body