Global Change Answers

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Local environmental changes have no effect on the global climate.

A
T
B
F
2
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Why are there different theories about the effects of global warming?

A
There is no data to support global warming.
B
Global climate is complex, so changes in global climate are hard to predict.
C
Increased levels of carbon dioxide are offset by other changes.
D
There has been a decrease of extreme weather.
3

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

A
T
B
F
4

How does an increase in the annual melt season in Antarctica have a global effect?

A
It causes an increase in heat related illness and death.
B
It causes the global concentration of carbon dioxide to decrease.
C
The water in the melting glaciers can cause sea levels to rise.
D
None of the above is true.
5

Scientists disagree about the possible effects of global warming.

A
T
B
F
6

Some scientists believe that global warming will lead to an increase in disease and starvation.

A
T
B
F
7

Changes to the global climate could include _______.

A
changes to temperature
B
changes to pressure
C
changes to precipitation
D
all of the above
8

Which of the following is not a possible effect of increasing carbon dioxide levels in the atmosphere?

A
increase in water contamination and floods
B
ocean acidification
C
cutting down forests
D
reduction of cold-related deaths
9

The scientific explanation for global warming is very dependent on the _______ atom.

A
chlorine
B
carbon
C
oxygen
D
hydrogen
10

The early arrival of spring in New Hampshire has no effect on wildlife.

A
T
B
F

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