The metric system has a lot of smaller more precise measurements than us in the US.
It was dark, and the only thing I hear was screaming. The sound was as loud as bombs, but less dangerous. The ground was soaked in blood of all my fellow Jews, some begged for mercy but none came. Then we see our salvation, we saw angels coming to save us, angels in the form of American soldiers, our allies were here to save us.
Answer: the contents of a new textbook
Explanation:
The topic that is best suited for a formal discussion is the contents of a new textbook. This is suited to the formal discussion as it relates to educational settings such as a school.
Other options such as the weekend plans of your friends, the best places to shop online for new shoes and the best cookbooks for learning to make Thai food are all informal.