AnswersRMA FL-2001310-EarthSpace Science Semester 2Climate Change

Climate Change Answers

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1
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Why is it commonly believed that carbon dioxide is responsible for global warming?

A
Carbon dioxide levels in the Earth’s atmosphere have been steadily decreasing.
B
Carbon dioxide has a longer average lifetime in the atmosphere.
C
The warming effect associated with carbon dioxide has remained unchanged.
D
Other greenhouse gases amplify the effect of carbon dioxide.
2
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Which is a possible result of rising ocean temperatures caused by global warming?

A
formation of dust bowls
B
increase in strength of hurricanes
C
rapid evaporation of water in soil
D
decrease in population due to health threats
3

Which definition best describes global warming?

A
a long-term change in the Earth's climate
B
a long-term increase in the Earth's average temperature
C
a long-term change in the climate of a region or a city
D
solar heat that is radiated out into space
4

According to some scientists, which is a cause of global warming?

A
decrease of nitrous oxide
B
increase in cloud cover
C
decrease of methane gas
D
increase in carbon dioxide
5

According to some scientists, which is a cause of global warming?

A
decrease of nitrous oxide
B
increase in cloud cover
C
decrease of methane gas
D
increase in carbon dioxide
6

What moves toward the east during El Niño?

A
warm water
B
cold water
C
slow currents
D
fast currents
7

Which is a possible result of higher air temperatures caused by climate change?

A
decrease in strength of hurricanes
B
freezing of polar ice caps
C
rapid evaporation of water in the soil
D
increase in human population numbers
8

What effects do wind patterns have on climate?

A
They move warm water toward the east.
B
They change the amount of precipitation in a region.
C
They carry warm or cooled water very long distances.
D
They cool Pacific waters and increase hurricane activity in the western Atlantic.
9

What climate condition occurs during El Niño?

A
dry heat throughout North America
B
warm water moving toward the coast of South America
C
heavy rain moving toward the coast of South America
D
flooding throughout North America
10

What climate conditions occur during La Niña?

A
stronger prevailing winds and more hurricane activity
B
warmer Pacific waters and warmer winters
C
more hurricane activity and warmer Pacific waters
D
warmer winters and stronger prevailing winds
11

What climate condition occurs during El Niño?

A
dry heat throughout North America
B
warm water moving toward the coast of South America
C
heavy rain moving toward the coast of South America
D
flooding throughout North America
12

What negative effect occurs when there is a decrease in air quality?

A
faster evaporation of water in the soil
B
the drying out of fertile land, resulting in dust bowls
C
the melting of glaciers and polar ice caps
D
increased illnesses that result in a decrease in population
13

Which statement best describes the greenhouse effect?

A
It is a process by which plants are able to grow well in a warm, enclosed structure.
B
It is a process by which greenhouse gases block the sun’s light to penetrate the atmosphere.
C
It is a process by which greenhouse gases allow the sun’s light to penetrate the atmosphere but stop the heat from escaping.
D
It is a process by which prevailing winds bring moisture to the land, to the prevailing wind direction.
14

Which statement explains why many scientists believe that carbon dioxide has likely contributed more to global warming than other greenhouse gases?

A
Carbon dioxide is emitted from fertilizers used in farming.
B
Other greenhouse gases trap more heat than carbon dioxide.
C
Carbon dioxide has increased as a result of increased human activities.
D
Carbon dioxide is emitted from commercial refrigeration.
15

What are global wind patterns called?

A
La Niña
B
local winds
C
prevailing winds
D
El Niño
16

What climate conditions occur during La Niña?

A
stronger prevailing winds and more hurricane activity
B
warmer Pacific waters and warmer winters
C
more hurricane activity and warmer Pacific waters
D
warmer winters and stronger prevailing winds
17

Which greenhouse gas has an average lifetime in the atmosphere of a few weeks to thousands of years and is the largest contributor to climate change?

A
carbon dioxide
B
methane
C
nitrous oxide
D
fluorinated gas
18

What effects do wind patterns have on climate?

A
They move warm water toward the east.
B
They change the amount of precipitation in a region.
C
They carry warm or cooled water very long distances.
D
They cool Pacific waters and increase hurricane activity in the western Atlantic.
19

What moves toward the east during El Niño?

A
warm water
B
cold water
C
slow currents
D
fast currents

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