Hydrosphere

Which best describes the amount of Earth's total water supply that is usable freshwater?

• less than 1%

• less than 25%

Which factor has the greatest effect on a community's stores of freshwater?

• the location to the nearest ocean

• the average amount of rainfall

Tags

NGSS.MS-ESS2-4

Which is Earth's largest source of drinkable water?

• aquifers

• oceans

Tags

NGSS.MS-ESS2-4

Which contains most of the water on Earth?

• oceans

• aquifers

Tags

NGSS.MS-ESS2-4

Why are aquifers important?

• They hold uncontaminated ground water for human consumption

• It supplies all water for lakes and rivers

Why would normal rainfall not solve a city's water problems?

• The population grows rapidly

• The city has no way to store water

Tags

NGSS.MS-ETS1-1

Where is the majority of Earth's freshwater located?

• ice

• groundwater

Tags

NGSS.MS-ESS3-1

What percentage of the hydrosphere is represented by the oceans on Earth?

• 97%

• 70%

Tags

NGSS.MS-ESS2-4

What is the greatest contributor to a decrease in North Carolina's water availability?

• increase in population

• evaporation

Tags

NGSS.MS-ESS3-4

Where is most of the available freshwater stored?

• underground

• ice

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1