Why is water so important to living organisms?
Water, although it is a very simple molecule, because it consists of only 3 atoms - one oxygen and two hydrogen - is the foundation of life on Earth, and probably in the universe at all (if we find one). It is not without reason that when observing distant solar systems, astronomers look for planets that are in the so-called habitable zone, i.e. the habitable zone enabling, among others, the occurrence of liquid water. But let's go back to Earth and look at water from the side of its properties important for life ...
