Global Change Answers

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

increase in water contamination and floods

ocean acidification

cutting down forests

reduction of cold-related deaths

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How can local environmental changes have global effects?

Organisms can move from one environment to another.

Air and water move from region to region.

Increased carbon dioxide in one location can cause increased temperatures in other locations.

All of the above are true.

Scientists disagree about the possible effects of global warming.

Why are there different theories about the effects of global warming?

There is no data to support global warming.

Global climate is complex, so changes in global climate are hard to predict.

Increased levels of carbon dioxide are offset by other changes.

There has been a decrease of extreme weather.

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

Which of the following statements about current theories on global warming is true?

Scientists generally agree that global warming is taking place.

Some scientists think that we should accelerate global warming.

The scientific community disagrees about whether we should take action about global warming.

Cutting down trees and burning fossil fuels does not lead to global warming.

Local environmental changes have no effect on the global climate.

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

Changes to the global climate could include _______.

changes to temperature

changes to pressure

changes to precipitation

all of the above

Which of the following is a way that studies have determined industry might be affected by legislation on global warming?

creation of new jobs and technology

decrease in consumer spending

increased costs of production

reduction in the number of jobs available

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