IGCSE Marine Science · Cambridge International
Seawater chemistry
What's in this topic, and what you can do with it on GCSE.es.
What it covers
- 01Salinity
- 02pH
- 03Dissolved oxygen
What you can do
- Learn the key idea in a few minutes
- Check yourself with a short quiz
- Practise exam-style 3–12 mark questions, marked
- Improve — your dashboard updates your next step