Sunday, June 12, 2011

4.14 enhanced greenhouse gases

- when gases increase in concentration
- the UV rays are increasingly re-emitted, warming the earth
- this is global warming
- this can lead to: melting ice caps, raising sea levels
- climate change happens
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1 comment:

  1. jobuJune 12, 2011 at 7:31 AM

    well done Hannah, you will need this information for tomorrow lesson

    ReplyDelete

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