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WITCHER [35]
3 years ago
10

Congress passed the Clean Air Act in 1970. Since this act was passed, emissions of the six main air pollutants Group of answer c

hoices cannot be measured since Congress failed to appropriate money to monitor the level of emissions. have fallen by more than one-half. have remained essentially constant, even though significant economic growth has occurred in the United States since 1970. have increased significantly due to the growth of the U.S. economy.
History
1 answer:
mojhsa [17]3 years ago
4 0

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.

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I Need A Charles Darwin Summary (NOT PLAGIARIZED I WILL CHECK!!!) If its good enough ill make a part 2 of this that doesnt have
dexar [7]

Answer:

Charles Darwin was born in 1809 in Shrewsbury, England. His father, a doctor, had high hopes that his son would earn a medical degree at Edinburgh University in Scotland, where he enrolled at the age of sixteen. It turned out that Darwin was more interested in natural history than medicine—it was said that the sight of blood made him sick to his stomach. While he continued his studies in theology at Cambridge, it was his focus on natural history that became his passion.

In 1831, Darwin embarked on a voyage aboard a ship of the British Royal Navy, the HMS Beagle, employed as a naturalist. The main purpose of the trip was to survey the coastline of South America and chart its harbors to make better maps of the region. The work that Darwin did was just an added bonus.

Darwin spent much of the trip on land collecting samples of plants, animals, rocks, and fossils. He explored regions in Brazil, Argentina, Chile, and remote islands such as the Galápagos. He packed all of his specimens into crates and sent them back to England aboard other vessels.

Upon his return to England in 1836, Darwin’s work continued. Studies of his samples and notes from the trip led to groundbreaking scientific discoveries. Fossils he collected were shared with paleontologists and geologists, leading to advances in the understanding of the processes that shape the Earth’s surface. Darwin’s analysis of the plants and animals he gathered led him to question how species form and change over time. This work convinced him of the insight that he is most famous for—natural selection. The theory of natural selection says that individuals of a species are more likely to survive in their environment and pass on their genes to the next generation when they inherit traits from their parents that are best suited for that specific environment. In this way, such traits become more widespread in the species and can lead eventually to the development of a new species.

In 1859, Darwin published his thoughts about evolution and natural selection in On the Origin of Species. It was as popular as it was controversial. The book convinced many people that species change over time—a lot of time—suggesting that the planet was much older than what was commonly believed at the time: six thousand years.

Charles Darwin died in 1882 at the age of seventy-three. He is buried in Westminster Abbey in London, England

Explanation:

5 0
2 years ago
Explain how the Ordinance of Nullification caused conflict between South Carolina and the United States.
motikmotik

The Nullification Convention met in 1832. The convention declared the tariffs of 1828 and 1832 unconstitutional and unenforceable within the state of South Carolina after February 1, 1833. Decision of forcefully collecting taxes caused conflict between South Carolina and the United States.

Explanation:

The Ordinance of Nullification was caused by the belief that the tariffs of 1828 and 1832 favored the North over the South and therefore violated the Constitution. This led to the protest and conflict in between South Carolina and United States.

The imposition of tariffs argued that the U.S. Constitution gave rights to the states to block the enforcement of a federal law. Congress passed the new negotiated tariff to South Carolina. The convention declared the tariffs of 1828 and 1832 unconstitutional and unenforceable within the state of South Carolina after February 1, 1833.

4 0
3 years ago
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