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Greening the Globe — Unit test Answers

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1
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Desalination is best described as __________.

A
creating seawater from freshwater
B
creating freshwater from seawater
C
combining freshwater with seawater
D
combining rain water with ground water
2
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Which of the following terms best describes the use of environmentally friendly farming methods to conserve soil and water?

A
slash-and-burn farming
B
sustainable agriculture
C
conservation
D
ecology
3

Contour plowing, no-till planting, and planting trees to serve as wind buffers are all methods used to __________.

A
reduce erosion
B
farm organically
C
conserve water
D
increase crop yields
4

Which of the following is an example of shifting cultivation?

A
hunting and gathering
B
crop rotation
C
slash-and-burn farming
D
planting a vegetable garden
5

Which of the following diseases is spread by mosquitoes and most often found in tropical urban areas?

A
dengue fever
B
malaria
C
sleeping sickness
D
HIV/AIDS
6

One drawback of desalination is the __________ associated with the process.

A
expense
B
technology
C
water pollution
D
reverse osmosis
7

Describe two effective means of preventing the spread of malaria.

Answer not available
8

Which of the following definitions best characterizes the green movement?

A
an academic research study of effective agricultural methods
B
a movement to implement environmentally sound practices
C
a radical movement to halt human use of all natural resources
D
an appeal to increase conservation practices in forest management
9

Analyze the technologies that have allowed humans to survive and thrive in Mexico City.

Answer not available
10

Describe four expected impacts of global warming.

Answer not available
11

Examine three technologies that have allowed humans to survive and thrive in the Nile River Valley.

Answer not available
12

Which of the following factors is a major reason for the high risk of drought in Africa?

A
Africa has been getting less rainfall since 1968.
B
Civil wars have led to the destruction of crops.
C
The rising elephant population has destroyed watersheds.
D
The Aswan Dam changed the course of the Nile River.
13

The majority of scientists predict that the rise in global temperature by 2100 will range from __________.

A
1° F to 4° F
B
2° F to 10° F
C
5° F to 15° F
D
10° F to 20° F
14

Describe two technologies that humans have used to overcome environmental challenges in Dubai.

Answer not available
15

Describe the primary environmental challenges facing Latin America in the early 21st century.

Answer not available

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