Answer:
The deacidification process preserves pages by neutralizing acid with magnesium oxide, raising the pH level of the paper, and minimizing the alkaline reserve. (Choice 3)
Explanation:
Choice 1 is wrong because you don't need a comma after and. You don't set off coordinating conjunctions with a comma when you give a list of items.
Choice 2 is wrong because you need a comma <u>before</u> and, <u>not after</u> it.
Choice 4 is wrong because you use a comma before and in a list of three or more items. Sentence 4 contains three items but no comma before and, which is wrong.
Technically it is true that Frederick Scott Archer introduced the concept of combining artificial and natural light in the studio, but it should be noted that this concept had been used before, just without much fame.
Answer:
Michael and Bart did not finish their experiment in science class so Mr. Velasquez asked them to stop by after school. However, they couldn’t because they had football practice.
Explanation:
According to the given sentence, "Michael and Bart did not finish their experiment in science class so Mr. Velasquez asked them to stop by after school however they couldn’t because they had football practice", some elements of the sentence are incorrect, such as punctuation, capitalization, etc.
Therefore, the sentence should BEST be written as "Michael and Bart did not finish their experiment in science class so Mr. Velasquez asked them to stop by after school. However, they couldn’t because they had football practice."
With the addition of period, the two differing ideas are separated which makes them have a better meaning.
Answer: Dear Uncle,
Sorry I haven't kept in touch with you lately, I've been really busy with school and after school activities! I hope your doing well, but anyways speaking of school. I was preparing for this huge exam from school, I stayed up long hours prepping for it and guess what grade I got!? I got an "A-", honestly I am so proud of my work, especially because it was a difficult test. Anyways, I just wanted to express how proud I was about this grade that I got! Have a great day!
Sincerly, (Your Name)
Explanation:
Hope this helps!
Answer:
When the flowers shut their eyes in timely sleep after sunset, the evening star blesses them with her “silvery dew”. Apart from that, the speaker requests the star to let her west wind sleep on the lake. As the west wind is a symbol of destruction, he requests the angel to calm the spirit of the wind. (this is the only answer I can think of, correct me if I'm wrong)