Sophia Environmental Science Unit 3 Milestone 3, Questions with Complete Answers.1
Select the true statement about efforts to address water pollution in
... [Show More] 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 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? [Show Less]