They use Geothermal Energy, which is used from plants to generate electricity.
Survival of the strongest... an organisms strength does not affect the natural selection process. Natural selection is adapting the species to be able to better survive in its environment. In order to better survive, an organism does not to be strong. e.g. a plant is probably not a “strong” organism and natural selection doesn’t change that in most cases
Absorption of heat by breaking down hydrogen bonds
heart, arteries, and veins
