Trip To The Desert

A red-head, a brunette, and a blonde went on a trip to the desert.

They each brought one item for survival.

The red-head brought water. The blonde asked:

- Why? - The red-head replied:

- To prevent us from dying of thirst.

The brunette brought food. The blonde asked:

- Why? - The brunette replied:

- To prevent us from dying of hunger.

The blonde brought a car door. The red-head and brunette asked:

- Why? - The blonde replied:

- To roll down the window if it gets hot.