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Climate change
for the exam
5
Geography
9th Grade
11/12/2008

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Term
Climate
Definition
The predicted weather at a paticular place, based on the average of weather events there over many years.
Term
Fossil Fuels
Definition
Fuel (such as oil) derived from the decomposed remains of prehistoric plant and animal life.
Term
Greenhouse Gases
Definition
Gases, such as carbon dioxide, methane, ozone, water vapour and nitrous oxide that contributes to the greenhouse effect by absorbing infa-red radiation.
Term
Greenhouse effect
Definition
A natural process by which some of the suns heat that reaches the Earth is trapped within the atmosphere, rather than escaping back into space. Without this the earth would be to cold to support life
Term
The 8 major natural influences on climate change
Definition

- Methane emmision

- Changes in solar output

- changes in the earths orbit

- aresoles

- greenhouse effect

- ocean currents

- shape/latitude of the land

- movement of air masses.

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