IGCSE Marine science 2.5

The syllabus here covers:



1 State conditions that change with depth 



2 describe how light penetration changes with depth

3 investigate light penetration through water 

 (PA) using a Secchi disc  (wil come in a seperate video)

4 describe and explain how pressure changes with depth

5 describe how temperature changes with depth

 6 describe and explain how the concentration of dissolved oxygen changes with depth 

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