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Self Check Quiz

Standard FCAT MA.A.1.3.4

Practice Test
  1.You own a coal company in Tehran. You travel to Baghdad and then Aden to sell your coal, and then return to Tehran. How far have you traveled?

  a.   2,000 miles  
  b.   5,000 miles  
  c.   4,550 miles  
  d.   3,400 miles  
  2.What was the ratio of visitors to Kenya, comparing 1985-1990?

  a.   1/4  
  b.   3 to 4  
  c.   4 to 3  
  d.   2 to 3  
  3.What fraction of the population of South Asia practices Hinduism?

  a.   1/3  
  b.   67%  
  c.   67 to 33  
  d.   2/3  
  4.What fraction of the world's oil is produced in Southwest Asia compared to the rest of the world?

  a.   About 3/4  
  b.   About 1/2  
  c.   About 1/3  
  d.   About 2/3  
  5."Conserving Resources by Recycling"

Do you like to pick up a hamburger, French fries, and a soft drink on your way to the park? When there is a good movie on TV, do you have a pizza delivered? Does your family ever eat frozen dinners? Do you ever wonder what happens to all the food and drink containers after you put them in the garbage?

Americans produce more garbage per person than any other people on Earth. Each American throws away about four pounds of waste each day about 1587 pounds in a year. All Americans together create more than one-third of the world's trash 200 million tons each year. That is enough to fill a line of garbage trucks that would circle the earth eight times!

Disposing of garbage is a problem, and no one expects the problem to go away. However, progress is being made in the battle to keep our planet from being buried under its own refuse. The growing mountains of garbage are being dealt with in two main ways: burning and recycling.

Garbage is being burned so that it will take up less room when buried. Over 100 plants in 32 states in the United States burn garbage in energy recovery plants. About 15 percent of the country's waste is burned at these plants. Some of these plants generate steam to power factories, or create electricity to run motors. The ash left after the garbage is burned must still be buried. However, this takes up only about half as much space as the unburned garbage would have. One problem with this way of getting rid of garbage is that the burning causes air pollution. For example, things made of plastic may give off dangerous gases when burned.

Many things that are thrown away can be saved and put to a new use. We call this recycling. Recycling saves resources in several ways. First, less room is needed in landfills if things are reused instead of thrown away. Second, valuable metals and other resources are saved when things are recycled. Third, recycling often takes less energy than making new products.

Recycling is growing in the United States. However, there is much room for improvement. Even the best recycling programs in the United States save only about 28 percent of the garbage. Some materials are recycled at much higher rates. For example, in 1999, 42 percent of all paper, 40 percent of plastic soft drink bottles, and 55 percent of all aluminum cans were recycled.

In some recycling systems, all garbage is dumped into giant machines that separate the metal and glass from the other garbage. The metal and glass are sold to companies that use them to make new things.

The best recycling systems require people to separate their garbage themselves rather than dumping it all into one can or bag. Usually each color of glass must be kept separate. Tin cans must be separated from aluminum cans. Plastic bottles go into another pile. Separating the garbage at home keeps the cost of recycling down.

There are two reasons recycling is not used more widely. One reason is that many people do not want to go to the trouble to separate their garbage. Therefore, even the best programs get only about one-fourth of the people to take part. The second reason is that city and state governments have been slow to set up recycling programs. But as the garbage piles higher and the gates to more landfills are closed forever, more cities are starting to recycle. The states of New Jersey, Rhode Island, and Connecticut have passed laws that require people to recycle. Massachusetts and New Jersey have set up large plants to recycle garbage.

There are many ways to deal with the garbage problem. But everyone agrees this problem will not go away. And the longer the garbage problem is with us, the more impact it will have on our daily lives.

What is the approximate population of the U.S., using the facts in the article?
  a.   300 million  
  b.   250 million  
  c.   175 million  
  d.   125 million  
  6.The Andean countries have several different types of metal resources, including gold, silver, copper, lead, tin, and iron. What is the ratio of metal resources to non-metal resources?

  a.   1 to 2  
  b.   1 to 1  
  c.   4 to 7  
  d.   5 to 7  
  7.You are planning a trip to Los Angeles, leaving from Miami. About how long will it take you to travel if you fly at 325 miles per hour?

  a.   9 hours 15 minutes  
  b.   7 hours 15 minutes  
  c.   5 hours 15 minutes  
  d.   4 hours 15 minutes  
  8.What is the approximate population of China?

  a.   1.26 times 10 to the 2nd power  
  b.   1.26 times 10 to the 5th power  
  c.   1.26 times 10 to the 7th power  
  d.   1.26 times 10 to the 9th power  
  9.What percentage of the average January day has sunshine in Vladivostok?

  a.   25 percent  
  b.   8.3 percent  
  c.   20.8 percent  
  d.   12.5 percent  
  10.What is the ratio of forests to petroleum deposits in the region?

  a.   1 to 1  
  b.   1 to 2  
  c.   3 to 4  
  d.   3 to 5