Hydrology Recap

Why is most of Earth's freshwater is not available for human use?

• because it is underground

• because it's frozen in ice caps and glaciers

• because of pollution

• because of global warming

What percent of Earth’s water is freshwater?

• 1%

• 2%

• 3%

• 5%

Which of the following contain freshwater?

• oceans

• lakes

• estuaries

• groundwater

• glaciers

In which river basin do we live?

• Neuse River Basin

• Falls River Basin

• Cape Fear River Basin

• Carolina River Basin

Which of the following has the highest salinity?

• lakes

• ponds

• rivers

• oceans

Which of the following provide energy to producers in the ocean?

• Sunlight

• Water

• Oxygen

• Hydrothermal Vents

What type of water is found in estuaries?

• freshwater

• saltwater

• brackish water

Which of the following describe wetlands?

• The ground is saturated most of the year

• They are separated by divides

• They act as a buffer against storms

• They are highly polluted

• They act as a "nursery" for many species to raise their young

Which of the following is true about aquifers?

• Water stored in aquifers is highly polluted due to the process of infiltration.

• Below the water table, ground is unsaturated, or filled with water.

• Water travels through permeable ground to reach the aquifer.

• The bottom of the aquifer is called the water table.

What is another name for the "sunlit zone" of the ocean?

• photic zone

• disphotic zone

• aphotic zone

• abyssal plain