Read the sentences and choose the correct options

Sentence 1. Surprisingly only 5% of the respondents, know some facts about this animal.

Are there any punctuation MISTAKES in the sentence? [Yes, there are. |No, there aren't. ]

Sentence 2. According to the data, the teenagers surveyed are interested in learning about various environmental problems, their causes and possible solutions.

Are there any punctuation MISTAKES in the sentence? [Yes, there are. |No, there aren't. ]

Sentence 3. One problem connected with the environment; is that few people are ready to change their lifestyle in order to protect it

Are there any punctuation MISTAKES in the sentence? [Yes, there are. |No, there aren't. ]

Sentence 4. The results of the opinion poll that I found reveal some interesting facts about animal populations.

Are there any punctuation MISTAKES in the sentence? [Yes, there are. |No, there aren't. ]

Sentence 5. It is 4 times (as low as the number of teenagers who can add some details about the problem of animal extinction

Are there any punctuation MISTAKES in the sentence? [Yes, there are. |No, there aren't. ]