"Sweating in the heat, we had lost the whole day, dreading to be buried alive in the drifting sand." & <span>"Sand in the scanty food, sand in the brackish water—water that was drunk lukewarm from a clammy, loathsome water-skin."</span>
In direct characterization character's personality is explicitly described. Indirect characterization on the other hand uses dialogue, actions and other non-explicitly descriptions. Fro the given sentences the following sentence is example of direct characterization:
The door opened and in came ridiculous Reginald, as dapper and debonair as ever.
pretty sure it would be sign up, like 99.9 percent sure