QUESTION: Fix punctuation: Are there other ways the transportation of school pupils could be organised in your community
ANS: Are there other ways the transportation of school pupils could be organised in your community?
QUES: In Experiment 3 the students observe how acids react with carbonates

correct the punctuation.

CORRECTED: In Experiment 3, the students observe how acids react with carbonates.
Question: 2137 And by day he was teaching in the temple and by night going out he remained abroad on the mountain called the mount of Olives
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Answer: 21:37 And by day he was teaching in the temple, and by night, going out, he remained abroad on the mountain called [the mount] of Olives;
It was in his opinion the girls last terrible cry still echoing down the arches of the years

Can you repeat this sentence, but add in punctuation?
It was, in his opinion, the girl's last terrible cry still echoing down the arches of the years.'
input: And you probably wouldnt mind if you could reduce them down to just 1020 of what most other responsible dog owners generally spend because they pay for cleaning the teeth allergy treatments skin problems combating parasites and all kinds of organ problems and other problems that most often are silently caused by an inadequate meal plan
fixed: And you probably wouldn't mind if you could reduce them down to just 10-20% of what most other responsible dog owners generally spend.... (because they pay for cleaning the teeth, allergy treatments, skin problems, combating parasites, and all kinds of organ problems and other problems that most often are silently caused by an inadequate meal plan...)
21 The object of the association is to handle the administration of the Internet domain dk based on the Danish Act on Internet Domains Specifically Allocated to Denmark lov om internetdomner der srligt tildeles Danmark

Can you repeat this sentence, but add in punctuation?
2.1 The object of the association is to handle the administration of the Internet domain .dk based on the Danish Act on Internet Domains Specifically Allocated to Denmark (lov om internetdomner, der srligt tildeles Danmark).