Which sentence correctly uses commas to separate items in a list?
1.the deacidification process preserves pages by neutralizing acid with magnesium oxide, raising the ph level of the paper, and, minimizing the alkaline reserve.
2,the deacidification process preserves pages by neutralizing acid with magnesium oxide, raising the ph level of the paper and, minimizing the alkaline reserve.
3,the deacidification process preserves pages by neutralizing acid with magnesium oxide, raising the ph level of the paper, and minimizing the alkaline reserve.
4,the deacidification process preserves pages by neutralizing acid with magnesium oxide, raising the ph level of the paper and minimizing the alkaline reserve.

The sentence that uses commas correctly is 3. The deacidification process preserves pages by neutralizing acid with magnesium oxide, raising the pH level of the paper, and minimizing the alkaline reserve.

Explanation:

In English, when we need to separate items in a list, we place a comma between each one of them. The last item in the list is usually introduced by the coordinating conjunction "and". We still need to place a comma before "and", but we should not place one after it. Let's study a simple example:

- I asked Jane to buy apples, oranges, grapes, and bananas.

The same should happen in the sentence provided in the question. We have three items to separate:

1. neutralizing acid with magnesium oxide;

2. raising the pH level of the paper;

3. minimizing the alkaline reserve.

In the sentence, those items must have a comma between them. The last one is introduced by "and", having a comma before but not after it. Therefore:

3. The deacidification process preserves pages by neutralizing acid with magnesium oxide, raising the pH level of the paper, and minimizing the alkaline reserve.

write two paragraphs to compare and contrast the narrators’ schools and explain how their schools shape their perspectives toward the hijab. cite evidence from the text to support your ideas.

copy and paste answer:

two paragraphs to compare and contrast the narrator's schools would be this, the one school with the veil is the one school were the students were forced to wear the veils, and they did not know why they had to wear the veils. the girl student writing the story was not like the other students, she didn't care. in the second school there was a lot of hostile activities going on throughout the school. most of the students were upset and this, including the author, but she was trying to look and the good side of things.  

overall, both schools had something that the students or most of the students did not like or appreciate. what you can learn from these stories is that life will never be exactly how you may want it to be. complaining about your lifestyle will only make matters worse or at least feel worse in the long run. that's happens to be the information you can interpret from these two stories.