The boundaries of many world regions can be defined in several different ways, producing overlapping.
The Kyoto protocol was an international protocol, so we can rule that out right away. The correct answer would be A) the Clean Air Act (that was designed to control air pollution on a national level), and the clean Water Act(a law that was amended in 1972 that established the basic structure for regulating pollutant discharges into the waters of the United States). Hope that helps.
Answer:
Explanation:
Like charges repel each other; unlike charges attract. Thus, two negative charges repel one another, while a positive charge attracts a negative charge.