Which of the following predictions about global climate change is directly related to an increase in the burning of fossil fuels?
answer
c.
global warming
question
Which of the following local environmental changes will not have global effects?
answer
d.
none of the above
question
What are some possible future changes in the global climate?
answer
One likely future change is an increase in the overall global temperature due to global warming caused by an increased concentration of greenhouse gases in the atmosphere. This change could lead to other effects such as an increase in sea levels, a decrease in resources, an increase in disease, and ocean acidification.
question
What are the predicted consequences of legislation for global warming on industry?
answer
It is predicted that legislation for global warming will actually have positive effects on industry. New jobs will be created through the introduction of new technology and processes and businesses should save money through pollution reducing practices and technology.
question
Explain how an increase of the annual melt season in Antarctica can have global effects.
answer
A longer melt season in Antarctica leads to a greater loss of land-based glacier ice. The water from the melted land glaciers runs into the oceans and leads to an overall increase in volume. This change has global effects.
question
Which of the following theories concerning global climate change is the most widely accepted?
answer
b.
Global climate is changing due to burning of fossil fuels and deforestation.
question
Explain how scientists can have multiple theories about the effects of global warming.
answer
The global climate is a complex system involving different factors such as temperature, precipitation, pressure, humidity, and wind. The complexity of the system makes it difficult to accurately predict how changes in one region can affect other regions.
question
In New Hampshire, the length of time ice covers on Mirror Lake each year has declined by _______.
answer
a.
1/2 day per year
question
Explain how local environmental changes can have global effects.
answer
Changes in local environments can have global effects for several reasons. Animals, like birds, migrate from region to region. A change in one of their environments can cause behavioral changes which will affect other organisms living in these environments. Air and water move among regions. Changes to the composition of air in one location will affect other locations as the air moves. The same is true of water.
question
How can local environmental changes have global effects?
answer
d.
All of the above are true.
question
Some scientists believe that global warming will bring about extreme weather.
answer
true
question
The scientific explanation for global warming is very dependent on the _______ atom.
answer
b.
carbon
question
The early arrival of spring in New Hampshire has no effect on wildlife.
answer
false
question
Which of the following is a way that studies have determined industry might be affected by legislation on global warming?
answer
a.
creation of new jobs and technology
question
It is not possible for global warming to have any positive side effects.
answer
false
question
Why are there different theories about the effects of global warming?
answer
b.
Global climate is complex, so changes in global climate are hard to predict.
question
How does an increase in the annual melt season in Antarctica have a global effect?
answer
c.
The water in the melting glaciers can cause sea levels to rise.
question
Which of the following statements about current theories on global warming is true?
answer
a.
Scientists generally agree that global warming is taking place.
question
Scientists disagree about the possible effects of global warming.
answer
true
question
Which of the following is not a possible effect of increasing carbon dioxide levels in the atmosphere?
answer
c.
cutting down forests
question
Changes to the global climate could include _______.
answer
d.
all of the above
question
Some scientists believe that global warming will lead to an increase in disease and starvation.
answer
true
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