Chapter 15: Water Resources

Question 1

The hydrologic cycle

Answer 1

Evaporation
Transportation of water by plants
Transportation of atmospheric water
Precipitation
Runoff

Question 2

How much water is needed for survival versus to live?

Answer 2

Survival: 1-3 L
Live: 50 L

Question 3

What are the reasons why we need water?

Answer 3

We need water to drink, cook, clean, bathe

Question 4

What are the three main sources of water consumption – who uses the most?

Answer 4

Irrigation agriculture
Industries
Household

Question 5

Discuss the options for water conservation.

Answer 5

We can use recycled water to water our yards and flush our waste.

Question 6

What are potential sources of groundwater pollution?

Answer 6

waste storage, treatment, or disposal facilities
septic systems
pipes, material transport
operations
nonpoint sources

Question 7

Compare/contrast a point and nonpoint source water pollution.

Answer 7

point: enter waterways from well defined locations
nonpoint: runoff

Question 8

Define euriophication

Answer 8

a term meaning “well fed” is a process initiated when dissolved nutrients enter a body of water where they act as a fertilizer to stimulate the growth and production of algae

Question 9

Give examples of how water pollution can affect human health.

Answer 9

When people don’t have safe water they can lack basic hygiene. Also they can ingest toxic chemicals that can make them sick.

Question 10

What is the safe water drinking act? Why is it important?

Answer 10

The safe water drinking act is the federal program to protect drinking water quality. It is important because we know that no matter where we are in the united states we can get safe clean water.