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.
The carolinas are the u.s states of north Carolinas and south carolinas then they turnd northwestand marked the location with stakes
Answer:
Explanation:
the raiders were known throughout Andersonville for their harsh tactics and vicious behavior towards their fellow inmates.
Answer:
A. Philo T Farnsworth
Explanation:
Philo T Farnsworth was a lone wolf inventor who worked on the development of the television. By saying he is a lone wolf, we meant he worked independently and without affiliation to any organization in developing and executing his ideas about the invention of the television.
Although he worked in his owned small private laboratory in San Francisco, this was not possible without getting financial backers who were interested in his research. They are the ones that made the finance of his invention project a possibility