Chapter 10 Review

_________ is the amount of fresh water available in a region compared with the amount used by humans

• Freshwater Scarcity Stress

• Eutrophication

• Aquifer

• Runoff

Tags

NGSS.MS-ESS3-4

Which of the following is a benefit provided by dams and reservoirs?

• Generation of electricity

• Increases a river's flow and flushing action

• Decreases air pollution

• Provides pathways for migrating fish

_______ is the process of removing salt from seawater.

• Desalination

• Eutrophication

• Resivication

• Runoff

What causes land subsidence?

• Removing water from an aquifer faster than it can be replenished

• Frequent droughts

• Increased water pollution

• Increased salt content of aquifers

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-4

In U.S. homes, ________ is the single largest use of domestic fresh water

• dish washing

• showering/bathing

• clothes washing

• toilet flushing

What is one reason why it is difficult for groundwater to be cleaned?

• The temperature is too high

• There are low levels of dissolved oxygen

• There are high levels of bacteria

• The water flows too quickly

_______ is water used indirectly during steps to produce goods people consume

• The water table

• Virtual water

• Our water footprint

• Freshwater scarcity stress

Cultural eutrophication occurs when _________.

• excess nutrients are emptied into bodies of water. This leads to harmful algal blooms.

• excess herbicides are emptied into bodies of water. This leads to harmful algal blooms.

• excess salt is emptied into bodies of water. This leads to salt toxicity.

• excess pollutants are emptied into bodies of water. This leads to biomagnification.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which of the following is a nonpoint source of pollution? (HINT: Where can runoff travel through?)

• Underground mine

• Sewage treatment plant

• Agricultural field

• Oil tanker

Which statement about using freshwater irrigation is incorrect?

• Most irrigation systems are very efficient.

• Drip irrigation is an efficient irrigation system.

• Flood irrigation is often used in less-developed countries.

• 90-95% of the water used for drip irrigation is directly delivered to the roots of crops.