1. What do plants give battery in return for the amino acids etc?
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Other questions in this quiz
2. Why is the green house effect good?
- Protects us from the sun
- Traps warmth
- Keeps in oxygen and other gases
3. Which of these isn't extra co2 addition by humans?
4. What happens after algal bloom of Eutrophication?
- Fish die
- No light = no photosynthesis
- algal bloom
5. Wat is NO-3
- Nitrogen gas