Sophia - Environmental Science - Unit 3 Milestone 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
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1 select the true statement about efforts to address water pollution in the united states • the clean water act of 1972 stated that all us waterways would be clean by 1983 • the refuse act of
