Not counting the massive Great Lakes, there are 41,009 kilometers (25,483 miles) of navigable waterways in the United States. During the 19th century, a massive system of canals was constructed around the nation and many remain in use. The Mississippi River is one of the busiest waterways in the world and the main north-south shipping route. The United States is serviced by a number of ports. Among the busiest ports are Baltimore, Boston, Charleston, Chicago, Hampton Roads, Los Angeles, New Orleans, New York, Philadelphia, San Francisco, Savannah, Seattle, and Tampa. The nation's merchant marine has 386 ships with gross tonnages of more than 1,000 tons each. The total weight of the fleet is 11,634,608 gross tons. This does not include thousands of barges, tugboats, and smaller craft. In order to supply the nation's energy needs there is an extensive network of pipelines.

The United States also has an excellent telecommunications system. Telephone service is widespread and easily available. Many cities and states have large and state-of-the-art fiber-optic cable systems. There are also microwave radio relay stations and extensive coaxial cable networks. The nation has a well-developed and expanding cellular system which includes thousands of relay towers. There are an estimated 70 million mobile phones in use in the country. For international communications, there are 24 ocean cable systems to carry transoceanic communications. The telecommunications system is enhanced by a broad network of satellites. The United States has 70 satellite earth stations to relay transmissions. In 1999, there were 7,600 Internet service providers in the United States.

There are 14,572 airports in the United States, although only 5,174 have paved runways. There are also 118 heliports. Some 241,000 people were employed by the air transport companies as of early 2001, although after the terrorist attack on the World Trade Center in September of that year, the airlines began massive layoffs of employees. All American airlines are privately owned. The largest airlines in the country are American Airlines, United, Continental, Northwest, and Delta. The nation's busiest airports are Hartford International in Atlanta and O'Hare International in Chicago. The United States also has the world's largest space program. The National Aeronautics and Space Administration's (NASA) budget in 2000 was $13.7 billion. Of this total, $9.8 billion was spent on contractors. The largest payments were to Boeing, United Space Alliance, and Lockheed Martin. The space program is an example of government cooperation with private industry since NASA conducts many space launches for private companies (mainly satellite launches).

In 1998, the nation consumed 3.36 trillion kilowatt hours (kWh) of power. It imported 39.51 billion kWh (mainly from Canada) and exported 12.77 billion kWh. Domestic electricity production was 3.62 trillion kWh. The majority of electricity was produced by fossil fuels (70.34 percent). Atomic power supplied the second-largest share of electricity (18.61), followed by hydroelectric power (8.96 percent), and a variety of renewable energy sources including wind and solar power (2.09 percent).

Read more:https://www.nationsencyclopedia.com/economies/Americas/United-States-of-America-INFRASTRUCTURE-POWER-AND-COMMUNICATIONS.html#ixzz6wI4mzZjuNot counting the massive Great Lakes, there are 41,009 kilometers (25,483 miles) of navigable waterways in the United States. During the 19th century, a massive system of canals was constructed around the nation and many remain in use. The Mississippi River is one of the busiest waterways in the world and the main north-south shipping route. The United States is serviced by a number of ports. Among the busiest ports are Baltimore, Boston, Charleston, Chicago, Hampton Roads, Los Angeles, New Orleans, New York, Philadelphia, San Francisco, Savannah, Seattle, and Tampa. The nation's merchant marine has 386 ships with gross tonnages of more than 1,000 tons each. The total weight of the fleet is 11,634,608 gross tons. This does not include thousands of barges, tugboats, and smaller craft. In order to supply the nation's energy needs there is an extensive network of pipelines.

The United States also has an excellent telecommunications system. Telephone service is widespread and easily available. Many cities and states have large and state-of-the-art fiber-optic cable systems. There are also microwave radio relay stations and extensive coaxial cable networks. The nation has a well-developed and expanding cellular system which includes thousands of relay towers. There are an estimated 70 million mobile phones in use in the country. For international communications, there are 24 ocean cable systems to carry transoceanic communications. The telecommunications system is enhanced by a broad network of satellites. The United States has 70 satellite earth stations to relay transmissions. In 1999, there were 7,600 Internet service providers in the United States.

There are 14,572 airports in the United States, although only 5,174 have paved runways. There are also 118 heliports. Some 241,000 people were employed by the air transport companies as of early 2001, although after the terrorist attack on the World Trade Center in September of that year, the airlines began massive layoffs of employees. All American airlines are privately owned. The largest airlines in the country are American Airlines, United, Continental, Northwest, and Delta. The nation's busiest airports are Hartford International in Atlanta and O'Hare International in Chicago. The United States also has the world's largest space program. The National Aeronautics and Space Administration's (NASA) budget in 2000 was $13.7 billion. Of this total, $9.8 billion was spent on contractors. The largest payments were to Boeing, United Space Alliance, and Lockheed Martin. The space program is an example of government cooperation with private industry since NASA conducts many space launches for private companies (mainly satellite launches).

In 1998, the nation consumed 3.36 trillion kilowatt hours (kWh) of power. It imported 39.51 billion kWh (mainly from Canada) and exported 12.77 billion kWh. Domestic electricity production was 3.62 trillion kWh. The majority of electricity was produced by fossil fuels (70.34 percent). Atomic power supplied the second-largest share of electricity (18.61), followed by hydroelectric power (8.96 percent), and a variety of renewable energy sources including wind and solar power (2.09 percent).

Read more:https://www.nationsencyclopedia.com/economies/Americas/United-States-of-America-INFRASTRUCTURE-POWER-AND-COMMUNICATIONS.html#ixzz6wI4mzZju

Question 10.

1. . Since the 1980s, Wal-Mart stores have appeared in almost every community in America. Wal-Mart buys its goods in large quantities and, therefore, at cheaper prices. Wal-Mart also locates its stores where land prices are low, usually outside of the community business district. Many customers shop at Wal-Mart because of low prices. Local retailers, like the neighborhood drug store, often go out of business because they lose customers. This story demonstrates that

2. For any given price, a firm in a competitive market will maximize profit by selecting the level of output at which price intersects the

3. 8. Claudia would be willing to pay as much as $100 per week to have her house cleaned. John's opportunity cost of cleaning Claudia's house is $70 per week. Assume Claudia is required to pay a tax of $40 when she hires someone to clean her house for a week. Which of the following is correct?

4. The belief that education makes a person more productive and thereby raises his or her wage is referred to as the ________ view of education.

5. The basic economic problem leads to which one of the following key economic decisions that any economy must address?

6. Value judgements inspiration economic conclusion _________-manufacture and strategy because value decisions___________

7. Which one of the resulting is a fundamental resolve of economic movement_________? The construction of goods to_________

8. The main organizational modification __________between Financial side and the ordinary sciences is that economists____________

9. A family hereditary 15,000 from a long-lost aunt. They are advisement up whether to buy a new car or go on a trip to Australia for a month. They choose to go to Australia. The occasion cost of this conclusion is

10. The making likelihood curve can be used to demonstrate ________each of the resulting, with the exemption of________________