The answer for this question would be B
The answer is B. The specific heat means the heat amount the substance needs to absorb when the temperature increases 1℃. The high specific heat means that it needs a huge amount of heat when increase just 1℃. For A, the dissolved salts can help decrease the freezing point.
Stability.
Atoms react with other atoms to be stable.
I’m assuming the six kingdoms of life, but yes they do have a very large purpose for providing characteristics to bacteria, animals, fungi, humans, etc.