Question 1

What is NOT likely to be a sign of global warming?

Accepted Answer

A)  the spread of some tropical diseases into temperate regions 
B)  the bleaching of coral reefs in tropical areas 
C)  the increased retreat of some glaciers 
D)  tropical Pacific fish moving into tropical Caribbean waters 
A)  the spread of some tropical diseases into temperate regions 
B)  the bleaching of coral reefs in tropical areas 
C)  the increased retreat of some glaciers 
D)  tropical Pacific fish moving into tropical Caribbean waters

Question 2

What happens to 29% of the carbon dioxide released into the atmosphere by human activities?

Accepted Answer

A)  It is absorbed by the soil. 
B)  It is absorbed by the oceans. 
C)  It remains in the atmosphere. 
D)  It is absorbed by the growth of plants. 
A)  It is absorbed by the soil. 
B)  It is absorbed by the oceans. 
C)  It remains in the atmosphere. 
D)  It is absorbed by the growth of plants.

Question 3

What is one way to address the threat of global warming?

Accepted Answer

A)  using energy more efficiently 
B)  shifting to non-renewable resources 
C)  increase clear-cutting in tropical forests 
D)  halting deforestation 
A)  using energy more efficiently 
B)  shifting to non-renewable resources 
C)  increase clear-cutting in tropical forests 
D)  halting deforestation

Question 4

Individuals can be more susceptible to ______________________________ due to lifestyle choices or gene composition.

Accepted Answer

The answer of Individuals can be more susceptible to ______________________________...

Question 5

Which possible consequence of global warming represents a negative feedback loop?

Accepted Answer

A)  Methane may be released from natural wetlands with rising carbon dioxide. 
B)  Methane may be rapidly oxidized by bacteria in tundra soils. 
C)  Methane may be released as permafrost melts in the arctic tundra. 
D)  Methane may be released from oceanic mud as ocean waters warm. 
A)  Methane may be released from natural wetlands with rising carbon dioxide. 
B)  Methane may be rapidly oxidized by bacteria in tundra soils. 
C)  Methane may be released as permafrost melts in the arctic tundra. 
D)  Methane may be released from oceanic mud as ocean waters warm.

Question 6

How many years would it take for Earth to recover to pre-1950 ozone levels if all of the ozone-depleting substances were banned tomorrow?

Accepted Answer

A)  about 50 years 
B)  about 75 years 
C)  about 100 years 
D)  about 125 years 
A)  about 50 years 
B)  about 75 years 
C)  about 100 years 
D)  about 125 years

Question 7

What might be a consequence of rapid climate change?

Accepted Answer

A)  premature deaths due to lack of food 
B)  decreased deaths due to warmer weather 
C)  increased biodiversity 
D)  social and economic stability 
A)  premature deaths due to lack of food 
B)  decreased deaths due to warmer weather 
C)  increased biodiversity 
D)  social and economic stability

Question 8

A warmer atmosphere is beneficial to wildlife habitats and plant species because of the increased temperature and productivity.

Accepted Answer

A) True 
 B)False

Question 9

The ozone hole is a reduction in concentrations of ozone that occurs in the stratosphere high above the Earth.

Accepted Answer

A) True 
 B)False

Question 10

________________________________________ is a broad term that refers to changes in any aspect of the Earth's climate,including temperature,precipitation,and storm intensity.

Accepted Answer

Global cli

Question 11

What is one means of slowing the rate of ozone hole creation?

Accepted Answer

A)  by increasing the production of ozone-depleting chemicals 
B)  by finding substitutes for CFCs 
C)  by not burning fossil fuels in the Antarctic 
D)  by recovering and reusing ozone-depleting chemicals 
A)  by increasing the production of ozone-depleting chemicals 
B)  by finding substitutes for CFCs 
C)  by not burning fossil fuels in the Antarctic 
D)  by recovering and reusing ozone-depleting chemicals

Question 12

What fraction of the world's cumulative CO₂ emissions can be attributed to the Unites States?

Accepted Answer

A)  25% 
B)  50% 
C)  60% 
D)  70% 
A)  25% 
B)  50% 
C)  60% 
D)  70%

Question 13

What is the current situation with the ozone layer?

Accepted Answer

A)  The large annual decrease in ozone over the south pole is caused by spinning vortices containing clouds of ice crystals with absorbed CFCs on their surfaces. 
B)  Up to 20% of the ozone over Antarctica is destroyed each year. 
C)  The ozone hole in the Arctic is most prevalent in January. 
D)  The ozone hole is larger in the northern hemisphere than in the southern hemisphere. 
A)  The large annual decrease in ozone over the south pole is caused by spinning vortices containing clouds of ice crystals with absorbed CFCs on their surfaces. 
B)  Up to 20% of the ozone over Antarctica is destroyed each year. 
C)  The ozone hole in the Arctic is most prevalent in January. 
D)  The ozone hole is larger in the northern hemisphere than in the southern hemisphere.

Question 14

In 1987,36 nations met in Montreal,Canada and developed the Montreal Protocol to reduce production of CFCs.

Accepted Answer

A) True 
 B)False

Question 15

In what category is the understanding of "the greenhouse effect" in?

Accepted Answer

A)  agriculture science 
B)  consensus science 
C)  pioneer science 
D)  fantasy 
A)  agriculture science 
B)  consensus science 
C)  pioneer science 
D)  fantasy

Question 16

A single chlorine atom can convert as many as 1 000 ozone molecules to molecular oxygen molecules.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is NOT a likely outcome of global warming?

Accepted Answer

A)  reduced biodiversity 
B)  higher sea levels 
C)  decreased food production 
D)  more moderate weather 
A)  reduced biodiversity 
B)  higher sea levels 
C)  decreased food production 
D)  more moderate weather

Question 18

What is one reason that polar bears are among the species most affected by global climate change?

Accepted Answer

A)  They are having difficulty finding pack ice from which to hunt seals. 
B)  They are having difficulty finding suitable denning areas. 
C)  Their normal mating cycle has been disrupted. 
D)  The cubs are too warm because of their thick fur. 
A)  They are having difficulty finding pack ice from which to hunt seals. 
B)  They are having difficulty finding suitable denning areas. 
C)  Their normal mating cycle has been disrupted. 
D)  The cubs are too warm because of their thick fur.

Question 19

TEMPERATURE
  
-According to the graphs,during what period did the most consistent temperature rise occur since the 1200s?

Accepted Answer

The answer of TEMPERATURE
  
-According to the graphs,during what...

Question 20

What is one reason that greenhouse gases in the Earth's atmosphere have increased?

Accepted Answer

A)  reforestation in tropical areas 
B)  the restricted use of CFCs 
C)  planting of new seedlings 
D)  the burning of fossil fuels 
A)  reforestation in tropical areas 
B)  the restricted use of CFCs 
C)  planting of new seedlings 
D)  the burning of fossil fuels

Exam 21: Climate Change and Ozone Loss

What is NOT likely to be a sign of global warming?

What happens to 29% of the carbon dioxide released into the atmosphere by human activities?

What is one way to address the threat of global warming?

Individuals can be more susceptible to ______________________________ due to lifestyle choices or gene composition.

Which possible consequence of global warming represents a negative feedback loop?

How many years would it take for Earth to recover to pre-1950 ozone levels if all of the ozone-depleting substances were banned tomorrow?

What might be a consequence of rapid climate change?

A warmer atmosphere is beneficial to wildlife habitats and plant species because of the increased temperature and productivity.

The ozone hole is a reduction in concentrations of ozone that occurs in the stratosphere high above the Earth.

________________________________________ is a broad term that refers to changes in any aspect of the Earth's climate,including temperature,precipitation,and storm intensity.

What is one means of slowing the rate of ozone hole creation?

What fraction of the world's cumulative CO₂ emissions can be attributed to the Unites States?

What is the current situation with the ozone layer?

In 1987,36 nations met in Montreal,Canada and developed the Montreal Protocol to reduce production of CFCs.

In what category is the understanding of "the greenhouse effect" in?

A single chlorine atom can convert as many as 1 000 ozone molecules to molecular oxygen molecules.

Which of the following is NOT a likely outcome of global warming?

What is one reason that polar bears are among the species most affected by global climate change?

TEMPERATURE -According to the graphs,during what period did the most consistent temperature rise occur since the 1200s?

What is one reason that greenhouse gases in the Earth's atmosphere have increased?

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