Chemical property because heat is not electrical.
<span>This example represents the challenge of survival of the fittest. In this situation, the trees have a distinct advantage due to their above average height. This puts them in the best position to gain the resources that they need to survive, most notably, the sun. The smaller plants, however, do not have this advantage, and lose out to the trees.</span>
The particals in a physical change alwayd stay the same, but for a chemical change that is the only time they will change. Not during a physical change