Multiple Choice

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Chapter 2

Multiple Choice

Multiple Choice
Select the best answer from the choices provided.

This activity contains 20 questions.

Weather is a _____ while climate is a _____.

	Short-term expression of atmospheric processes; Long-term summation of average conditions.
	Long-term summation of average conditions; Short-term expression of atmospheric processes.
	Highly predictable phenomenon; Poorly predictable phenomenon.
	Phenomenon not related to patterns of human settlement or food production; direct driver of human exploration.
	Direct driver of human exploration; Phenomenon not related to patterns of human settlement or food production.

Anthropogenic pollutants may cause all of the following EXCEPT:

	Dramatic change in food production regions.
	Less intense tropical storms.
	Higher sea levels if ice caps melt.
	Changing rainfall patterns.
	Increasing aridity, leading to more deserts.

Greenhouse gases primarily include:

	(A) Carbon Monoxide and Sulfur Dioxide.
	(B) Carbon Dioxide and Chlorofluorocarbons.
	(C) Methane and Nitrous Oxides.
	(B) and (C) only.
	All of the above.

By 2030, effects of global warming could include:

	Average worldwide temperature increase of 2-4 degrees Celsius (4-8 degrees Fahrenheit).
	Increase in world grain production.
	Falling sea levels as human populations consume more sea water.
	Growth of world's most fertile agricultural regions.
	Increased demand for irrigation to water crops.

Among the countries emitting the most greenhouse gases is:

	India.
	Indonesia.
	Iran.
	Israel.
	Italy.

Opposition to the Kyoto Protocol, which attempts to control greenhouse gas emissions, results from concerns that international emission controls will:

	Limit economic growth.
	Slow economic development.
	Increase the cost of living.
	Unfairly target certain countries, such as the US, but not other countries, such as China.
	All of the above.

Tropical forest soils are _____ for intensive agriculture because nutrients are stored in _____.

	Well-suited; Bedrock which forms topsoil.
	Okay; Top 5 cm of forest floor.
	Poorly-suited; living plants rather than topsoil.
	Pretty good; plants that receive filtered sunlight.
	Terrible; plants that receive only open sunlight.

Currently, about half of all tropical forest timber is used in _____ for _____.

	United States; furniture.
	Finland; saunas and decking.
	Indonesia; housing.
	Japan; throwaway items.
	China; railroad ties.

Deforestation in the tropics is increasing to satisfy worldwide demand for:

	Chicken.
	Golf courses.
	Pork.
	Baseball diamonds.
	Beef.

According to the United Nations, the percentage of grassland or rangeland threatened by desertification is:

	6%
	60%
	16%
	76%
	90%

In North America, temperate forests are:

	Often on public lands, raising questions about appropriate use of tax-funded forests.
	Hardwood deciduous trees.
	Softwood conifer trees.
	Habitat for endangered species.
	All of the above.

Every minute, _____ people are born while _____ acres of existing cropland is lost.

	7; 1000.
	17; 100.
	70; 15.
	1700; 5.
	170; 10.

The Green Revolution involves:

	(A) Reduction in time to allow fields to rest between plantings.
	(B) Increased applications of water, fertilizers and pesticides.
	(C) Change from traditional crops to higher-yield single crops.
	(A) and (B) only.
	All of the above.

For many people, food may be difficult obtain because:

	Food is used as a political weapon.
	Not enough food is being produced worldwide.
	Not enough meat is available to sustain communities.
	Cows are eating all the grain set aside for humans.
	Food is an economic privilege.

An assemblage of local plants and animals that is closely connected with a climate region is a(n):

	biome (or bioregion).
	flora (or fauna).
	ecology (or environment).
	deciduous (or boreal) forest.
	savanna (or grassland).

Deforestation is occurring at substantial rates in tropical forests around the globe because of:

	increased population.
	globalization.
	cattle ranching.
	increased demand for wood products.
	all of the answers provided.

Desertification (the spread of desert-like conditions) is:

	decreased by more farming on marginal lands.
	not applicable to discussion of the U.S. "Dust Bowl" in the 1930s.
	currently threatening about 60% of the world's rangelands.
	not a threat in prairies and steppes.
	slowing down because of salt buildup due to irrigation.

Subsistence agriculture differs from industrial agriculture in that it:

	produces higher yields and is less labor-intensive.
	uses only 25% of the world's croplands.
	produces only enough crops or livestock for a farm family's survival.
	relies heavily on cash crops that can be sold for food.
	involves irrigation water, chemical fertilizers, and pesticides, and machines that use fossil fuels.

The Green Revolution has allowed food production to keep pace with increasing population numbers by doing all of the following EXCEPT:

	planting single crops using genetically altered seeds.
	reducing the field resting time between plantings.
	decreasing the number of irrigated fields worldwide.
	intensively applying fertilizers, pesticides, and water to farmland.
	creating tougher, faster-growing strains of subsistence crops.

While more countries are increasingly willing to sign international agreements to solve environmental problems, critics of globalization contend that:

	not enough money is spent by the United Nations to enforce environmental regulations.
	trade agreements to promote free trade often conflict with national and local environmental protection.
	more demonstrations and protests are needed before action to protect the environment can be taken.
	economic activity always takes place at the expense of the environment.
	environmental protection forces workers to lose jobs worldwide.

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