I would say that it depends on the audience. Personally, a debate regarding ethics and moral dilemma is interesting. Read The Fat Man and the Impending Doom. It's just one paragraph so it's not going to bore audience.
https://thedailydilemma.wordpress.com/2007/06/18/fat-man/
I believe that this type is a lecture-forum discussion.
A is the correct answer because a prepositional phrase is telling where something is located. so a is saying that the envelope is in the drawer.
Answer:
1. A precious light stones consisting of light bluish green variety of beryl.
2. Artificial pond.
3. Breathing apparatus used by divers.
4. water, saliva,tears, rain.
Tom placed the book on the shelf, it sat there for a week.
Answer:
yes
Explanation:
There are already rules in war.
Organizations such as the red cross collect bodies on the battle field in order to preserve the bodies for their families. It is strictly prohibited to attack those organizations