5.9.2.2 human activities which contribute to an increase in greenhouse gases in the atmosphere

Question 1

Some human activities increase the amounts of greenhouse gases in the atmosphere, these include:

Answer 1

Carbon dioxide and methane

Question 2

Name examples of human activities which increase the amounts of greenhouse gases in the atmosphere:

Answer 2

-Burning of fossil fuels and combustion
-releasing chemicals into the atmosphere
-reducing the amount of forest cover (trees respire)
-rapid expansion of farming, development an industrial activities.

Question 3

Many scientists believe that human activities..

Answer 3

Will cause the temperature of the Earth’s atmosphere to increase at the surface and that this will result in global climate change

Question 4

However.. it is difficult to model such complex systems as global climate change.. therefore..

Answer 4

This lead to simplified models, speculation and opinions presented in the media that may be based on only parts of the evidence and which may be biased.