Answer:
1. "I think that the salt in the sea water keeps it from freezing at -1*C"
2. The third sentence
3. The last sentence
4. The sixth sentence
5. The last sentence, the "I think that the salt in the sea water keeps it from freezing at -1*C" sentence, and the "I think under the same conditions, the same thing will happen tomorrow sentence"
6. the 2nd 3rd and 4th sentences
Explanation:
