What is a disadvantage of using a stem-and-leaf plot instead of a histogram?

In the stem and leaf plot, it is somehow difficult to organize data with large observation numbers.
Stem and leaf plot is not very useful for categorical data and it somehow requires some hard work as you should order the leaves on each stem.

The speed of  sound:   sound travels  at different speeds depending on what it istraveling through. of the three mediums (gas, liquid, and solid)  sound waves travel the slowest through  gases, faster  through  liquids, and fastest  through  solids.