Answer:
Why would you ask this question on an educational website?
Explanation:
The purpose of writing an informal letter is totally different from the purpose of a formal letter.
The content of the two styles is also different.
The style of greeting and addressing the letter is different.
There is a set format for formal letters while there is no set structure for an informal letter.
Slang and colloquial words can be used in an informal letter but not in a formal letter.
I believe the answer is B because revision is when you are looking for mistakes in essays, stories, etc
Answer:
an unforeseen combination of circumstances or the resulting state that calls for immediate action
Explanation:
Answer: C
Explanation: I put C simply because it was the most logical answer. Anyway, I hope this helps. :)