Sophia - Environmental Science - Unit 3 Milestone 3
Select the true statement about efforts to address water pollution in the United States.
• The
... [Show More] 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 use of chemical fertilizers and pesticides degrades water quality.
• 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 [Show Less]