AnswersFL-2001340-Environmental Science Sem 2Global Change

Global Change — Unit test Answers

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1
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Which of the following is NOT one of the climate regions?

A
Tropical Continental
B
Tropical Rainy
C
Temperate Continental
D
Highlands
2
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All scientists agree that global climate change will happen rapidly.

A
T
B
F
3

Which of the following is the most likely cause for global climate change?

A
a decrease in the overall temperature of the Earth
B
an increase in the overall temperature of the Earth
C
an increase in the number of cold climates
D
no change to global climate
4

Please select the word from the list that best fits the definition

A
temperature
B
precipitation
C
season change
5

Without the greenhouse effect the Earth would be _______ than it is today.

A
warmer
B
drier
C
colder
D
wetter
6

“In a 2009 study, presented by the National Academy of Science, 97% of climate scientists agree that human activity is causing global warming." Which of the following statements is best supported by this study?

A
Most climate scientists dispute the theory of human influence on global warming.
B
Global warming is most likely alarmist propaganda based on false data.
C
Global warming is definitely not caused by human influence on nature.
D
Most climate scientists believe that there is evidence that explains global warming.
7

Why was the concern over global cooling replaced with a concern over global warming?

A
The science community needed a cause to frighten the general population.
B
Steady surface temperature increases were noted between the 1970’s and 90’s.
C
Air pollution only became a concern in the 1980’s.
D
Scientists observed severe ocean acidification.
8

Which of the following is not true concerning the Pleistocene ice age?

A
Earth began warming out of the ice age 18,000 years ago.
B
Glaciers stopped advancing 15,000 years ago.
C
Sea levels during the ice age were higher than today.
D
Forests and grasslands became more common after the ice age.
9

Because of its high elevation, Mount Kilimanjaro has a cool climate all year.

A
T
B
F
10

Summers are caused by

A
a combination of longer days and more direct rays from the sun.
B
less direct rays from the sun.
C
longer days and longer nights.
D
Earth in its orbit moving closer to the sun.
11

The Great Plains east of the Rocky Mountains have a(n)

A
temperate marine climate.
B
arid climate.
C
semiarid climate.
D
humid continental climate.
12

Some scientists believe that global warming will bring about extreme weather.

A
T
B
F
13

Sea and land breezes over a large region that change direction with the season are called

A
savannas.
B
prevailing westerlies.
C
monsoons.
D
doldrum winds.
14

Please select the word from the list that best fits the definition This semiarid region has enough rainfall to allow short grasses and low bushes to grow.

A
arctic
B
steppe
C
desert
D
tropical rain forest
15

Please select the word from the list that best fits the definition

A
arctic
B
temperate forest and grassland
C
desert
D
tropical rain forest
16

Temperate continental climates have cold winters.

A
T
B
F
17

Global warming is a theory accepted by a majority of scientists.

A
T
B
F
18

Which of the following continents was not covered by ice during the Pleistocene ice age?

A
Europe
B
Asia
C
Australia
D
North America
19

Trees do not grow in the tundra climate region, which has short, cool summers, bitterly cold winters, and permafrost.

A
T
B
F
20

Regions that receive less than 25 centimeters of rain annually are called

A
tundras.
B
savannas.
C
deserts.
D
steppes.

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