AnswersGA-GSE World Geography BAltering the Environment

Greening the Globe Answers

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1
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Anoxia, or a lack of oxygen in bodies of water, leads to __________.

A
unsafe drinking water
B
dead zones
C
global warming
D
algae blooms
2
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Which of the following issues is the most pressing environmental concern in the Middle East?

A
air pollution
B
water scarcity
C
land salinization
D
mineral resource depletion
3

Which of the following regions has had the lowest freshwater supply per person in recent years?

A
Africa
B
Asia
C
Australia
D
the Middle East
4

Africa experiences a high level of air pollution because it has more old vehicles on the road than industrialized regions do. Please select the best answer from the choices provided.

A
T
B
F
5

Which of the following goals is included in the initiatives created by the United Nations Environment Programme?

A
the reduction of carbon emissions by 80% by 2050
B
the reduction of the population growth rate by 10% by 2050
C
trade embargoes against nations that fail to conserve resources
D
changes that will limit global warming to 1° F by 2050
6

Too many fish being caught in a single season can lead to __________.

A
increased prices on the market
B
unemployment in the fishing industry
C
increased water pollution
D
fishery collapse
7

Which of the following regions experienced the greatest impact from deforestation between 1990 and 2010?

A
the Amazon Rainforest of South America
B
the Black Forest of Germany
C
the boreal forest of southern Canada
D
the temperate rainforest of the Pacific Northwest
8

Globally, sea levels have risen by _____ inches over the past 100 years.

A
2
B
3
C
5
D
7
9

Which of the following statements about scientists' views of global warming is true?

A
Nearly all scientists agree that the Earth's temperature is rising, but many disagree about whether humans are responsible, while a small percentage agree that humans are responsible.
B
Nearly all scientists agree that the Earth's temperature is rising and that humans are responsible, while a small percentage do not agree that humans are responsible.
C
Nearly all scientists agree that the Earth's temperature is rising, but most agree that humans are not responsible.
D
There is no consensus among scientists on this issue; they disagree over whether the Earth's temperature is rising.
10

Which of the following statements best characterizes the risk of ground-level ozone and air pollution?

A
It contaminates the food supply.
B
It contaminates the water supply.
C
It is very harmful to human health.
D
It disrupts the food chain in lakes.

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