Sophia - Environmental Science - Unit 3 Milestone 3 questions and answers

1
Select the true statement about efforts to address water pollution in the United
States.
 The Clean Water Act of 1972 stated that all U.S. waterways would be clean by 1983.
 The Refuse Act of 1899 was designed to protect waterways from non-point source
pollution.
 Media coverage of water pollution issues in the 1960s led to public concern and
political action.
 Individual states address non-point pollution sources by fining citizens for violations.
CONCEPT
Efforts to Address Water Pollution in the United States
2
Choose the statement that is NOT true about water availability on Earth.
 Industry uses nearly as much water as agriculture does.
 20% of the world’s population lives in an area where water is scarce.
 Many major aquifers have a notable reduction in available water.
 More than a billion people do not have ready access to clean water.
CONCEPT
Water Availability
3
Which of the following is an example of an organic agricultural practice?
 Eliza adds earthworms to her garden to stimulate the formation of topsoil.
 Sadie and her family practice no-till farming.
 Rick alternates between grazing his livestock in several different pastures and giving
them processed feed.
 Bill uses only natural fertilizers and pesticides.
CONCEPT
Agriculture Impacts
4
Which of the examples below describes an effort to address urban sprawl through
brownfield repair?
 The site of a bankrupt cement factory is cleared and all hazardous substances
disposed of.
 Walking trails are built to connect neighborhoods with popular restaurants and
shopping centers.
 Private owners board up an abandoned building.
 A flower garden is maintained in a empty lot downtown.
CONCEPT
Addressing Urban Sprawl
5
Which statement about agroecosystems is false?
 The
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,  Disrupted natural ecosystems lead to an increase in biodiversity.
 Burning trees to clear land releases carbon dioxide, which increases global
temperatures.
 Nutrition loss in soil caused by erosion leads to the inability to grow crops.
CONCEPT
Agriculture Impacts
6
Which statement describes the environmental impact of developing countries?
 They have limited buying power to import foods.
 The standard of living in these countries requires five hectares per person.
 They use the majority of the world’s fresh water supply.
 These countries have an efficient food distribution system.
CONCEPT
Human Population Growth
Agriculture Practices
World Nutrition
Water
7
Choose the true statement about water supply and demand.
 More than three billion people do not have access to easily obtainable clean water.
 Industry uses approximately half of all available fresh water on Earth.
 One idea to cope with water shortages in developed countries is to make it cheaper.
 The supply of available clean water is decreasing because glaciers are shrinking.
CONCEPT
Water Availability
8
Which of the following is NOT an impact of urban sprawl?
 Reduced biodiversity
 Exposure to carcinogens inside vehicles
 Less need for gasoline
 Less walkable cities
CONCEPT
Urban Sprawl in the US
9
Choose the true statement about global agricultural production.
 Subsistence crops provide food products needed for survival.
 Cash crops contribute to primary nutrition needs.
 Tea and coffee are examples of non-food cash crops.
 Corn and wheat supply over half of the worldwide human caloric needs.
CONCEPT
Agriculture Practices
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