As a new member of your city council, your small town realizes that the old wastewater treatment facility is resulting in unacceptable levels of cultural eutrophication
Relying upon provisions of the 1987 Water Quality Act, you suggest that the best way for your town to address this problem is to A) merge the storm water and sanitary sewer systems to dilute the nutrients your town produces.
B) apply for grants from the Environmental Protection Agency to pay for herbicides to control phytoplankton growth.
C) seek a low-interest loan from the Clean Water State Revolving Fund to pay for a new wastewater treatment facility.
D) apply for a grant from the federal Eutrophication Services Administration that will pay for the construction of a new wastewater treatment facility.
C
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An environmentally sustainable society
A. depletes the natural capital while also using renewable resources. B. is based on policies that favor economic growth and development. C. lives on the income the natural capital provides. D. uses nonrenewable resources. E. compromises the ability of future generations to meet their basic needs.
At the end of 2 seconds, a skydiver freely falling from rest has a speed of
A. 1 m/s. B. 10 m/s. C. 5 m/s. D. more than 10 m/s.
Which outcome is true of surface fires?
A. They increase the chance of crown fires. B. They kill all vegetation and wildlife in their path. C. They prevent the germination of trees species like jack pine and the giant sequoia. D. They free mineral nutrients that are locked up in vegetation and litter. E. They destroy mineral nutrients that are locked up in vegetation.
Now compare fertilizer use in 1960 to fertilizer use in 2000. Express the year 2000 N fertilizer use as a percentage of N fertilizer use in 1960. (2)
a. 67% b. 7% c. 15% d. 667%