What was the major improvement to air quality contributed by the 1990 amendments to the Clean Air Act?

Connecting the two American coasts made the economic export of Western resources to Eastern markets easier than ever before. The railroad also facilitated westward expansion, escalating conflicts.

The first transcontinental railroad in North America (originally known as the "Pacific Railroad" and later as the "Overland Route") was a 1,911-mile (3,075-kilometer) continuous railroad line built between 1863 and 1869 that connected the existing eastern U.S. rail network at Council Bluffs, Iowa, with the Pacific coast at Oakland Long Wharf on San Francisco Bay. Three private businesses built the rail line over public lands supplied by large US land grants. From the road's western end at Alameda/Oakland to Sacramento, California, the Western Pacific Railroad Company built 132 miles (212 km) of track. The Central Pacific Railroad Company of California (CPRR) built a railroad that ran 690 miles (1,110 kilometres) east from Sacramento to Promontory Summit, Utah Territory.

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The challenges that muhammad Ali face as a fighter was he was found guilty of avoiding the draft, given a $10,000 fine, and given a five-year prison term. Additionally, he was barred from boxing for three years.

His decision to join a contentious religious movement, his fight to have a five-year prison sentence for refusing to serve in the US military, and his battle with Parkinson's disease overturned.

One of Ali's most well-known battles is the Rumble in the Jungle, placing right up there with the Thrilla in Manila in 1975 and the unbeaten then-heavyweight champion Joe Frazier and Ali's Fight of the Century in 1971.

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Many Chinese males migrated to America at that time as a result of the war, starvation, and bad economic conditions in southeast China. Most of them wished to become extremely wealthy and go back to China.

A conflict involving recognized groups within a single state is known as an intrastate and civil war. The goal of one side can be to take control of the country or a particular region, achieve regional independence, or change governmental procedures. The expression is a calque of the Latin word bellum civile, which was used to characterize the numerous armed conflicts of the Roman Republic in the first century BC. Nowadays, outside troops are usually involved in civil wars. According to Patrick M. Regan in his book Civil Wars & Foreign Powers from 2000, about two thirds of the 138 intrastate wars between the conclusion of the Second World War and 2000 saw foreign intervention, with the The Us interfering in 35 of these conflicts.

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Convection plays an important role in the mantle of the Earth. It helps to evenly distribute heat and energy throughout the layer, preventing it from becoming unstable.

It also helps to drive the movement of tectonic plates, and is essential for the formation of geological features. Convection is the process by which heat is transferred through the movement of fluids. In the mantle, convection occurs when hot material rises and cold material sinks.

This process is driven by differences in density, which are caused by differences in temperature. Hot material is less dense than cold material, so it rises up and is replaced by cold material that sinks down. This creates a continuous circulation of hot and cold material, which helps to evenly distribute heat throughout the mantle.

This process of convection is essential for the mantle to remain in a stable state. Without the circulation of heat, the mantle would become extremely hot near the core, and very cold near the crust. This could potentially cause the mantle to become unstable, leading to earthquakes and volcanic activity.

The convection process also helps to drive the movement of tectonic plates. As the mantle convects, it creates pressure and movement along the boundaries of the plates. This pressure can cause the plates to slowly move, resulting in the formation of mountains, valleys, and other geological features.

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Answer:

No

Explanation:

Wind energy is a source of renewable energy. It is not a gas.

The landscape of northern Europe is dotted with so many lakes because glaciers carved them out, and glacial debris kept water there.

It is possible to separate the physical geography, environment, and human geography of Europe. Western Uplands, North European Plain, Central Uplands, and Alpine Mountains are the four main physical areas that make up Europe, spanning from north to south. Fish, seaweed, marine animals, and crabs are just a few of the creatures that live in the waters around Europe. Unique varieties of cold-water corals can be found in the frigid waters that encircle northern Britain and Scandinavia.

For ages, fishing has been practiced in all of Europe's main bodies of water. The Mediterranean sea and North Seas are two regions where there has been overfishing. Marine animals are under jeopardy for around 25% of them. Since the turn of the 20th century, several nations and nonprofit organizations have sought to restore part of Europe's abundant biodiversity.

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Long-term sustainability is a strategy for structuring society to ensure its long-term liveability.

This entails taking into account both the immediate and long-term imperatives, such as social and economic equality or the conservation of the environment and natural resources. Both the quantity and quality of natural resources are rapidly declining.

In order to optimize the use of natural resources while also preserving and enhancing the quality of life, it is crucial to promote sustainable development by a circular economy. These actions make the city's inhabitants and the environment livable while reducing the city's carbon impact.

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Antarctica is a continent that lies entirely in the southern hemisphere. Therefore, option C is correct.

The Antarctic area is dominated by the continent of Antarctica. The Antarctic Convergence spans the Antarctic, a freezing, lonely vicinity withinside the Southern Hemisphere.

The Antarctic takes up around 20% of the Southern Hemisphere. In terms of an overall area, Antarctica is the fifth-largest continent. Antarctica is a one-of-a-kind continent in that it lacks a local human population.

Within the Antarctic Convergence, there are other island territories. The following islands are claimed by the United Kingdom: South Orkney Islands, South Shetland Islands, South Georgia, and the South Sandwich Islands; Peter I Island and Bouvet Island by Norway; Heard and McDonald islands by Australia; and Scott Island and the Balleny Islands by New Zealand.

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Answer:

19hours and 14 miutntes

Explanation:

The sun will appear next to the same constellation from sunrise to sunset is correct.

If we had the option to see the Sun and stars all the while, we would see that the sun will be inside a constellation. The sun and stars will be moving roundly at the same rate which occurs because of the revolution of the earth from dawn to sunset. So from dawn to dusk sun will be in the same heavenly body.

The east-to-west everyday movements of stars, planets, the Moon, and the Sun is brought about by the revolution of the Earth on its pivot. The Earth and every one of the planets rotate around the Sun in roundabout circles. This delivers the adjustment of groupings saw starting with one season and then onto the next.

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Answer:

Each side of the stream bed could move in opposite directions as it splits.

Explanation:

Although population growth was slowed and reversed via efforts to enhance global fairness and enhance human life.

A sustained population decline may need to occur within a few decades, under the most favorable scenario for the United States. The health of most people is awful due to pollution and deforestation. It is obvious that conserving the environment will increase human fitness. Most importantly, preserving the environment could reduce many diseases. Protecting the ecosystem could actually protect the animals. People with low salaries frequently have poorer health because they are unable to afford adequate housing, food, or child care. Such living conditions, along with the strain they put on people, can increase the use of alcohol and tobacco products and the likelihood of developing health problems.

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Answer:

Housing placement can lead to some residents getting fewer resources than others because of the way resources are allocated. A lack of resources can affect the health of residents in many ways.

Explanation:

Burning plastic, fossil fuels, and more of the most polluting human activities are explained below.

The burning of fossil fuels like Petroleum and Coal releases sulfur dioxide(SO2) which causes air pollution and acid rain. The emission of harmful gases from vehicles like carbon dioxide and carbon monoxide pollutes the air.

Exhaust from factories and industries - factories and industries release a large amount of carbon monoxide and organic compounds into the air which depleted the quality of air. Deforestation done by factories for wood and paper causes the loss of natural habitat for animals and dampens the carbon dioxide to oxygen conversion. The emission of wastes from factories and plastics causes water pollution which not only harms humans but also makes the livelihood of sea animals dangerous for them.

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Answer:

Area of the figure ABGFED = (Area of square ABCD) - (Area of rectangle CEFG)

⇒(AB)2−[(GF)×(FE)]

=(10 cm)2−[(2 cm)×(5 cm)]

⇒(100 cm2)−(10 cm2)=90 cm2

Oymyakon is a town in Russia that known as the world’s coldest continuously inhabited settlement.

Oymyakon is a small rural town in Russia's Sakha Republic's Oymyakonsky District. This town is thought to be the coldest inhabited area on Earth. As a result of the Siberian High in the winter, temperatures here rarely drop below 40 degrees Fahrenheit, but in the summer they often rise above 32 degrees Fahrenheit. The climate is dry, but only during the summer months does significant evaporation occur because the average monthly temperature is below freezing for seven months of the year.

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Answer: this is called a "melting pot."

Explanation: in american culture, there are many cultures, such as liberal, religious competition, free expression, moral elements, etc.

Answer:

A triangle, ABC, has angle measures of 40, 40', and 100' and exactly two congruent (equal) sides. How would this triangle be classified?

Explanation:

The correct answer is option A.

Theory of Darwinism states that an organism or a specie evolve due to natural selection process which increases their ability to adapt, reproduce and compete.

In evolution theory of Darwinism, Charles Darwin proposed that organism or species changes over time. New existing species come from the previous species and all of them have a common ancestor.

However, he states that there are some genetic differences among all species that differentiate them from each other.

The factors that led to the proposition of the evolution theory of Darwinism are natural selection process, common ancestor, reproduction in species and gradualism.

Simply put, an or specie evolves as a result of natural selection process that helps them evolve or change with the passage of time.

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The complete question is:

What is the correct statement of Darwinian about the theory of evolution?

A) Branching descent and natural selection are two auxiliary concepts of this theory

B) Natural selection is based on certain observations which are factual loader

C) The theory was influenced by the work of Alfred Wallace on populations

D) Both a and c

Industrialization is a major cause of the historical development depicted in the map. The effect of the industrialization as depicted in the map is the fact that it enhanced productivity in the spinning sector in Britain by (300) three hundred to (400) four hundred percent by the 1830s, compared to decades previously. Steel production enabled steam engines to be built. Coal was the new source of energy for powering and heating steam engines.

The industrial revolution is the historical development depicted on the map, and one of the major drivers of this development is the natural deposition of coal mines in northern England. Coal could be easily got from these extractions because of the availability of deposition. This coal provided the necessary energy for the construction of the enterprises.

Consequently to the development of industries, England turned to a productive centre in Europe, aiding the development of many cities as well as the promotion of the English economy. Furthermore, the urbanization of cities resulted in a large rural exodus.

Therefore, the correct answer is as given above

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Nordic countries share so many similar characteristics because in the nineteenth century the countries all went about similar changes so they ended up going down same paths.

Nordic countries historically had a low proportion of serfs compared to independent farmers, a tiny population, and few metropolitan areas. When compared to Continental Europe, the nobility was neither very wealthy or influential. They all converted to Protestantism quickly.

Up until the previous few centuries, they were incredibly homogeneous in terms of race, religion, and culture. Over the past 200 years, none of them have played a significant role in European politics or as major colonial powers. In each of them, social democracy has played a significant role.

The correct answer is option C.

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The state from the options that does not border Kansas is A. New York.

Kansas is located in the middle region of the United States and so it shares a border with other states in this region. There are four states that Kansas shares a border with and they include Nebraska, Missouri, Oklahoma, and Colorado.

In the Northeast, there is the state of New York which is not near Kansas. New York shares a border with Canada and with states such as Connecticut, and Vermont.

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Options for this question include:

A. New York

B. Nebraska

C. missouri

D. Colorado

Incorporated in England in 1600 and eventually becoming British, the East India Company was disbanded in 1874. It was established to engage in commerce with the East Indies and subsequently, East Asia, in the Indian Ocean area.

The East India Business collapsed due to pervasive corruption in the organisation. The company progressively lost its economic monopoly and political power. In 1858, the British crown nationalised its Indian holdings. By virtue of the East India Stock Dividend Redemption Act, it was legally liquidated in 1874.

Initially founded in 1600, the East India Company was intended to act as a commercial organisation for English merchants, primarily to engage in the East Indian spice trade.

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Answer: B

Explanation:

The answer is B. Customs and Beliefs are the prime factors that determine the distribution of goods in a traditional economy.

Answer:

An abiotic cycle refers to a non-living process that involves the movement and transformation of chemical elements and compounds in the environment. These cycles do not involve living organisms and are driven by physical and chemical processes.

Examples of abiotic cycles include:

The water cycle, which describes the movement of water between the atmosphere, land, and oceans through processes such as evaporation, precipitation, and transpiration.

The carbon cycle, which describes the movement of carbon between the atmosphere, oceans, and land through processes such as photosynthesis, respiration, and the formation of fossil fuels.

Explanation:

In Northern Europe, since in Northern Europe there is Iceland, which is the country with the most volcanoes, specifically 55 volcanos

The way that provides a relatively inexpensive passageway between the Atlantic and Pacific Oceans is the Panama Canal.

The Panama Canal is an artificial waterway connecting the Pacific Oceans and Atlantic Oceans. The Panama Canal is also the line that separates North and South America. This line was built on May 4, 1904, and those who led the construction of this line were John Findley Wallace, John Frank Stevens, and George Washington Goethals. The Panama Canal also increased trading activity because it provided a relatively inexpensive option when people wanted to travel from North America to South America.

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Answer:Not all parts of the Earth have four distinct seasons. But they all experience seasonal variation. Explanation:Closer to the North Pole and the South Pole, daylight and temperatures change with the seasons. Days are longer and temperatures are colder in summer than in winter.

Answer:

One example of cultural convergence is the rise of K-pop in the global music scene.

Headline: "K-pop Takes the World by Storm: Global Impact of South Korean Pop Music"

K-pop, or Korean pop music, has been making waves around the world in recent years. With its catchy beats, visually stunning music videos, and high-energy performances, K-pop has captured the hearts of fans of all ages and nationalities.

The popularity of K-pop can be attributed to the widespread use of social media and online streaming platforms, which have made it easier for fans to discover and share music from all over the world. In addition, the industry has become increasingly focused on targeting a global audience, with many K-pop artists and groups making appearances on international television shows and touring around the world.

K-pop has also had a significant economic impact, with South Korean media companies and music labels earning large profits from the exports of K-pop music and merchandise. The Korean government has also actively supported the international expansion of the K-pop industry, as a way to promote the country's soft power and cultural influence.

One of the most well-known and successful K-pop group is BTS, known for their electrifying performances, powerful music, and message of self-love, they are one of the most popular K-pop bands around the world, with a massive following across the globe and touring worldwide.

As K-pop continues to gain popularity and infiltrate the global music scene, it's clear that this is more than just a passing trend – it's a cultural movement that is here to stay.

Uday Tahlan

Answer: B.Neptune

Explanation: The wind on Neptune can blow up to 1,500 miles per hour due to the planet's low atmospheric pressure and fast rotation. Neptune is the eighth planet from the sun and the outermost gas giant in our solar system.