Social change bring two types of changes one is positive change, which helps human life. Other type is negative in direction for which man show his resistance.
Answer:
The history of US railroads dates back to 1827, when Baltimore & Ohio Railroad began building the country's first railroad between Baltimore and Ohio, Maryland. The first section of the public road was 24 km long. It was opened on January 7, 1830. In December 1830, the second Charleston-Augusta railway (in South Carolina) was opened, with a length of 64 km. The competition was fierce. As a result, freight and passenger rates were probably the lowest in the world.
The period from 1980 to 1999 is called the "Staggers era", characterized by a radical change in the field of rail transportation: the elimination of inefficient assets and the optimization of economic and commercial activities. Rail freight turnover doubled. Labor productivity increased 2.5 times.
Rail transport played a huge role in the historical development of the United States. The construction of railways, especially transcontinental highways, had a very big impact on the development and deployment of the country's productive forces.
A distinctive feature of the US railways is a low level of electrification and a sharp predominance of diesel traction. This is primarily due to the policy of oil monopolies interested in rail transport as one of the consumers of oil products. Recently, a certain “renaissance” of this type of transport in freight traffic is no longer associated not only with traditional bulk cargo, but with an increase in container traffic. In addition, projects are under development for the construction of the country's first high-speed railways.
Explanation:
The correct answer for the given statement above would be TRUE. It is true that uniformitarianism is the concept that the processes that are at work on earth today are the same processes that shaped the early history of earth. <span>"The Present is the Key to the Past". Hope this answer helps. </span>
The correct answer is the placebo effect causes brain changes.
Explanation: Placebo effect is the measurable or observable effect on a person or group who has been given a placebo treatment. Many believe that the placebo effect is psychological, due to a real effect caused by belief or subjective illusion.
Answer: Major depression
Explanation:
Major depression is the type of severe depression in which a person tends to feel despaired and sense of sadness majorly. Symptoms of this depression tend to last long as it is severe condition .Person experience anxiety non-enjoyable feeling in enjoyable acts,irritation, weight gain etc.
According to the question,Jacks is experiencing major depression as he is profoundly sad and in despair.He is not interested in playing golf which gave him happiness along with gaining more weight.
