John Snow is known as the father of epidemiology.
In this essay "On the Mode of Cholera" he used both reasoned argument along with documentary evidence to show that cholera spread from person to person.
He gave examples of rows of houses on opposite sides to each other, and how all of the members in one row contracted cholera, while only one person on the opposite row contracted the disease.
The collective nouns among these words are team and group. Collective nouns consist of numerous members that function as a single entity.
Answer:
It means something that is nice to do but it is sad. Something that’s might be sweet sorrow would be doing something you love like hanging out with all of your friends from childhood for the last time. That things is so fun and awesome, but it is also super sad because you know it’ll be the last time. In the same way something can be both sweet and sad.
Explanation: