Unit Test 8

Which of the following areas is best suited for livestock ranching?

B. drier climates

Which of the following is not a factor that has contributed to agricultural success in the US?

C. controlled population growth

Which types of crops almost always are exported, and are rarely consumed by the nation that produces them?

C. luxury crops

A food product that has to be imported into a country for that country's consumption most often becomes __________.

C. more expensive

Deforestation is especially problematic in which of the following regions?

C. tropical rainforests

Most of the eastern United States is humid. How does the humidity on the East Coast prevent desertification?

D. The East Coast's humidity is directly related to the number of trees that restore moisture to the air and allow for soil preservation.

Which of the following statements is false?

D. The US is the world's leading agricultural producer because about 50% of its population is engaged in agriculture.

Mediterranean climates are ideal for growing all of the following except __________.

D. grapes

Which of the following is not an agricultural innovation that has occurred since industrialization?

D. irrigation

Using complete sentences, explain what is meant by fair trade producers of coffee.

Responses may vary but should include some or all of the following information: Most of the world's coffee is grown on large foreign-owned plantations in poor countries. Many of these plantations exploit their workers, requiring long hours of work for low wages. Fair trade producers have agreed to abide by standards that provide better income and living conditions for their workers.

Which of the following factors most often prohibits food from getting to those who need it in many underdeveloped countries?

C. war and political corruption

Explain the difference between deforestation, desertification, and damming.

Responses may vary but should include some or all of the following information: Deforestation is the clearing of trees from land desired for the development of society. Desertification is the changing of arable or habitable land into a desert due to intense climate change or destructive land use, such as that which occurs with certain agriculture methods. Damming is placing a man-made barrier in the way of the flow of a natural waterway to control its movement and uses.

Which of the following statements best describes what is occurring in the land surrounding the Sahara Desert?

A. Desertification is increasing, and the desert is expanding.

Which of the following statements best characterizes changes to agriculture in the United States since 1900?

A. Increased mechanization has reduced the need for labor.

One of the results of the 2010 Gulf of Mexico oil spill is the threat to various species in the gulf's ecosystem; it disturbed and, in some cases, forever altered the __________ of the Gulf Coast.

A. biodiversity

In the von Thunen model of agricultural land use, what is produced closest to the city epicenter?

A. dairy, vegetables, and fruits

All of the following are negative effects of deforestation except __________.

A. decreased erosion

Which of the following usually does not impact agricultural production and consumption?

A. disease

Japan can afford to import agricultural products that cannot be grown locally because it has an advanced __________ economy

A. industrialized

A limited-resource farmer __________.

A. lacks access to capital and labor

Today, how many Americans make a living through agriculture?

A. less than 5%

Coffee is an example of a __________.

A. luxury crop

Which of the following aspects of agricultural cultivation increases the risk of erosion?

A. replacing natural vegetation with cultivated crops

Worldwide, the United States is __________ in agricultural exports and __________ in agricultural production.

A. third . . . first

If Earth reaches its maximum production potential in 2050, agricultural production will need to increase by__________ to feed the population.

B. 300%

Which of the following statements about economic activity levels is false?

B. Marketing agricultural products is a secondary economic activity.

Which of the following statements describes a benefit of modern refrigeration?

B. Perishable items can be kept safely for longer.

Which of the following statements is true?

B. The biggest cause of hunger and malnutrition is the cost of getting food to people who need it most.

Terraces are used in agriculture to __________.

B. increase the amount of arable land

All of the following are concerns with regard to agricultural production and its effect on the environment except __________.

B. overfishing

All of the following were agricultural hearths, except __________.

B. sub-Saharan Africa

Soil degradation, rising population, water scarcity, and a lack of capital put which of the following regions at the greatest risk for famine and malnutrition?

B. sub-Saharan Africa

The top three producers of agriculture in the world are __________.

C. China, India, and the United States

Which of the following statements is true, based on the chart above?

C. Seven countries control almost half of the planet's arable land.

__________ most often limits product availability for consumers.

C. Transportation

Which of the following are examples of the ways erosion affects the environment? I. Erosion introduces pesticides and toxins into waterways, causing pollution. II. Polluted waterways decrease biodiversity. III. Eroded soil allows sediment to break off and clog waterways. IV. Eroded soil becomes useless for agriculture.

D. I., II., III., and IV.

Which of the following statements about malnourishment is false?

D. Malnourishment is a result of overpopulation.

Which of the following statements best explains why farmers in Mediterranean climates have an advantage?

D. Many crops that grow well in this region are high-value crops.

Today, land in urban areas typically is used for housing, transportation, and other structures, rather than for agriculture, primarily due to __________.

D. transportation time and shipping costs being reduced

Explain three factors that can prohibit a region with a great deal of arable land from producing adequate food supplies.

Responses may vary but should include some or all of the following information: Factors that can prohibit a region with arable land from producing enough food include population size, the distribution of arable land throughout the region, water scarcity, and transportation and infrastructure challenges.