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More women in the LDCs are entering the reproductive years than older women who are leaving them.

A) True
B) False

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Which of the following is not associated with groundwater depletion?


A) subsidence
B) sinkholes
C) saltwater intrusion
D) lowering of the water table
E) sediment buildup

F) None of the above
G) C) and D)

Correct Answer

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Which of the following is not a characteristic of a sustainable society?


A) multi-use farming
B) integrated pest management
C) mass transit
D) draining of wetlands for housing
E) recycling and composting

F) A) and D)
G) A) and E)

Correct Answer

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Planting the same crop in straight rows prevents soil erosion.

A) True
B) False

Correct Answer

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What do indirect values of biodiversity all have in common?


A) They are all involved with the biogeochemical cycles.
B) They are all pervasive benefits provided by ecosystems.
C) They provide pleasure and relaxation for humans.
D) They all depend on an individual species.
E) They all undo some harm that humans have donE.

F) B) and E)
G) All of the above

Correct Answer

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Currently the world population growth is approximately 1.2%.If the birthrate in 2009 was 19.86 per 1000,what was the death rate?


A) 19.86
B) 7.86
C) 12
D) 1.2
E) 78.6

F) None of the above
G) D) and E)

Correct Answer

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Measures that include noneconomic indicators are better at revealing our quality of life than the gross national product.

A) True
B) False

Correct Answer

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The soil in the tropics is very rich and fertile and makes excellent land for agriculture.

A) True
B) False

Correct Answer

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Most of the freshwater in the world is used for


A) drinking.
B) bathing.
C) irrigation.
D) watering lawns.
E) industrial needs.

F) A) and B)
G) None of the above

Correct Answer

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Which of the following is an urban,not a rural,sustainability plan?


A) use low-flow or trickle irrigation
B) plant cover crops
C) use green roofs
D) use integrated pest management
E) plant multipurpose trees

F) A) and D)
G) C) and E)

Correct Answer

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C

How many more people could be fed on one pound of grain than one pound of meat?


A) 20 times
B) 10 times
C) 5 times
D) 3 times
E) 2 times

F) A) and D)
G) None of the above

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B

Why should pregnant women and small children not eat certain fish?


A) herbicide contamination
B) mercury contamination
C) pesticide contamination
D) lead contamination
E) PCB contamination

F) All of the above
G) A) and B)

Correct Answer

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What is the definition of biotic potential?


A) a relatively slow (lag) population growth
B) maximum growth rate under ideal conditions
C) maximum population the environment can sustain
D) the birthrate or natality
E) the death rate or mortality

F) A) and D)
G) B) and E)

Correct Answer

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Which of the following is not an unsustainable practice of society?


A) reduction in population growth rate
B) eating more meat than vegetables
C) using more freshwater for agriculture than in homes
D) using large amounts of fossil fuels,fertilizers,and pesticides
E) deforestation and desertification

F) D) and E)
G) B) and C)

Correct Answer

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A

"Green revolution" plants caused many ecological problems.

A) True
B) False

Correct Answer

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Which organism would be most impacted by biomagnification?


A) eagles
B) rabbits
C) wheat plants
D) earthworms
E) corn

F) D) and E)
G) C) and E)

Correct Answer

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What do hydropower and wind power have in common?


A) Both require the building of dams.
B) Both lead to an increase in greenhouse gas emissions.
C) Both are renewable energy sources.
D) Both result in the depletion of fossil fuels.
E) Both require the use of photovoltaic cells.

F) A) and E)
G) D) and E)

Correct Answer

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If each couple only has two children,zero population growth will take place immediately.

A) True
B) False

Correct Answer

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Decorative plants and exotic pets often suffer from overexploitation.

A) True
B) False

Correct Answer

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At least 40% of the world population lives within 100 km (60 miles)of a coastline.

A) True
B) False

Correct Answer

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