A study of the roles that metals (both transition metals and alkali and alkaline earth metals) play in life shows that each has been uniquely designed by a wise Creator to carry out specific and complex functions essential for life.
Nitrogen constitutes the major component (approximately 78%) of our atmosphere, with oxygen following at about 21%, and carbon dioxide at 0.04%. Though carbon dioxide constitutes a minor part of the atmosphere, life, as we know it, could not exist without it.
Whereas carbon may be viewed as a LEGO® piece, carbon-based compounds are the whole LEGO® set as the same pieces are used to construct the multitude of life forms from plants to insects to humans each with very different structures and purposes.
Water, the most abundant compound on earth, perhaps in the solar system, has many properties that make it truly remarkable especially in regard to making earth habitable and life possible. Each of the following properties discussed here clearly shows that water is purposefully designed for making the earth habitable.