Answer: A formal letter is done with strict etiquette and dignigfied to consitue it's importance to the given occasion. A sem-formal letter combines formal and infomal elements when it comes to the tone. Lastly, an inform letter is written to give facts on a situation ro notify them about spefic information.
Explanation:
Anything which is not stable (unlikely to move) is unstable.
Isn’t it a poem i saw it on Google
2- A, Arsonist
3- D, Exhibited most likely.
4- A, Denouncing
5- D, Code.
6- A is the likely choice, as well as C. I'd go A for the fact that it's a clear boom.
-Assisted by Agarvated