Biology Basics: Fresh Water

Product Description

What is the most important natural substance to man? Water! In its liquid state water is the most abundantly found element in the biosphere and is also the most important element for life itself. It dissolves substances without chemically reacting to them, it has high “latent heat,” and has several other extremely important characteristics for sustaining life. Learn about the seas’ role in the biosphere, details about fresh water resources, and the threat of water shortages.