Answer:
b. hot air on the screen
Explanation:
Switching on the heater or turning down the AC in the car or opening the windows to let in natural air will help warm the windows to be above dew point.
I’m not entirely sure what is being asked here, but the Tigris and Euphrates rivers is the only place in Egypt (besides the nile delta) with non-arid ground. That’s why most people live around there:
The Everglades located in Florida is an example of a freshwater wetland