____________________ convert the kinetic energy in wind into mechanical energy, which can then be used to generate electricity
Fill in the blank(s) with correct word
Windmills
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____________________ are random changes in the structure or number of DNA molecules in a cell
Fill in the blanks with correct word
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.
Barren areas with extremely low drainage density are known as badlands
Indicate whether the statement is true or false
The world's population increases by about ________ people per year.
A. 80 million B. 8 million C. 800,000 D. 800 million