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Speakings by user Ekhlass1980
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- Listening In nature, warm-blooded animals such as mammals and birds need to keep their internal temperatures within a certain range. For most mammals this range is from about 36 to 38 degrees Celsius. Thermoregulation is responsible for maintaining this i 80
- Q5 80
- 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
- 1. Some people prefer to live in a small town. Others prefer to live in a big city. Which place would you prefer to live in? 75
- Q5 80
20 in 30
1. overlapping speeches
2. The first reason is too long
3. what is the risk in two examples?