Answers MFISD ENVIRONMENTAL SYSTEMS B 22-23 CRUnit Test

Global Change Answers

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

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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

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.

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.

Changes to the global climate could include _______.

changes to temperature

changes to pressure

changes to precipitation

all of the above

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

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.

Scientists disagree about the possible effects of global warming.

It is not possible for global warming to have any positive side effects.

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