Answer:
have fallen by more than one-half.
Explanation:
Thick, noticeable smog in many of the cities and manufacturing centers of the United States helped bring the 1970 e Clean Air Act to spur passage at the height of the national environmental movement. The ensuing modifications were intended to enhance its effectiveness and address newly recognized problems of air pollution such as acid rain and stratospheric ozone layer damage. The Clean Air Act allows EPA to set national environmental air quality levels for certain specific and prevalent contaminants, based on the latest research, to protect public health and welfare nationally. Certain main regulations are intended to reduce the rise in emissions from increasing motor vehicle numbers and new manufacturing plants.
Cuneiform was used a lot for keeping records of business deals. It was one of the earliest writing systems that we know of. Cuneiform literally means wedge-shaped which is how they wrote. It was used around 3500-3000 B.C.
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Answer:
Life on manors and towns were very different, although they did have things in common. The towns were found along trade routes, they had craft shops. Towns were good for people because it freed them from the social hierarchy system. Manors were controlled by their lords, and lords had to be loyal to the kings.
Explanation:
Simone de Beauvoir, a French author who was of great importance to the emergence of the post war women's liberation movement. In 1949, she published her highly influential work, The Second Sex. As a result of male-dominated societies, she argued, women had been defined by their differences from men and consequently received second-class status. Her book influenced both the American and European women's movements.
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