Sunlight - it is the only thing that is not living in the list.
The correct answer is natural selection. C is the answer!
Bacteria has a stronger resistance that usually produces even more resistant bacteria, and the cycle just repeats itself, making more and more resistant bacteria. This process is called Natural Selection.
Hope that helped!
-Chris
Some adapt by limiting there outdoor activities to warmer parts of the day, they wear thicker clothing , stay in there houses and use fires to stay warm
