Lol what story ?? who is emmett and kelly
Answer:
Sugar dissolving in warm water
Explanation:
There are two types of change in chemistry; physical and chemical changes.
A physical change is a type of change in which no new substance is formed while a chemical change is a type of change in which a new substance is formed.
Dissolving sugar in warm water is a physical change because no new substance is formed and you easily get the sugar back by evaporating the water
Because they didn't have phones or computers back then to type on or call people so they had to write everything down