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Speaking reference notes: This topic is refereed from another speaking topic, developed by user: ftn
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Speakings by user Ekhlass1980
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- Bioluminescence Bioluminescence occurs when organisms convert chemical energy into visible light. This happens when a chemical reaction involving oxygen and two other molecules takes place. During this reaction, light of varying colors may be emitted. The 80
- Q3 75
- q4 80
- If friends from another country were going to spend time in your country, what city or place would you suggest/going to spend time in your cou 85
- 23. To find out about a course subject, would you prefer to go and ask a teacher about it,or talk to a student who has already taken the subject? 80
23 in 30
Some hesitations or overlapping speeches.