Question

There are two types of letter writing. One is informal and the other is ……​

Answer 1

Answer:

Other is formal letter

I hope this is HELP FULL to u

Answer 2

Answer: it is formal

Explanation: letter writing is a most useful forms and can be used for various reasons and there are several kind of letters and it includes senders address , date , greeting or salutation , body of letter , subscription, signature where informal letter is written in a conservational style to yours friends family cousins etc whereas formal letters are  written for official purposes to officers , official departments etc