1. True or false. Denitrifying bacteria are aerobic?
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Other questions in this quiz
2. What does the law of diminishing returns mean?
- Same as condensation point
- After a certain volume of fertiliser, it will make no difference.
- more fertiliser will reduce productivity
3. What do plants give battery in return for the amino acids etc?
4. What happens after the fish die in Eutrophication?
- Anerobic bacteria
- Algal bloom
5. Which of these isn't extra co2 addition by humans?