Answer:
To show how schools suffers from having summer vacation
You cannot put any sort of endmark (period, question mark, or exclamation point) here because it is not a complete sentence. Complete sentences must have a subject and a predicate. You can tell there's not even a verb here, so this is just a fragment, and we would have to use a comma.
a. Very truly yours,
1. A
2. C
3. D
Hope it helps
Without Oxygen we would not live
So the answer is to live
Hope this helps!
