2. Phytoplankton and climate
Put these statements in the order in which they occur:
- DMSP is released into seawater
- phytoplankton produce DMSP
- DMS is converted into sulphate aerosols in the air
- phytoplankton die or are eaten
- some DMS escapes from the sea into the air
- sulphate aerosols cool the Earth by reflecting sunlight back into space or by forming clouds
- DMSP breaks down into DMS
3. Halocarbons and human health
Describe at least two ways (direct or indirect) in which halocarbons from the ocean affect human health.
Authors: Ellen K. Henriksen and Camilla Schreiner - University of Oslo - Norway. Scientific reviewer: Lucinda Spokes - Environmental Sciences, University of East Anglia, Norwich - U.K. Quiz programmer: Julia Heres - University of Nürnberg - Germany. Last update: 2004-03-27.
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