Complex sentence: Due to differences in concentration, nitrogen will tend to diffuse into water at the surface interface if the water is not yet saturated.However this form of nitrogen, dinitrogen gas (N2), is inert and biologically not available to most living organisms.
Split into simpler sentences: Due to differences in concentration, nitrogen will tend to diffuse into water at the surface interface if the water is not yet saturated. This form of nitrogen, dinitrogen gas (N2), is inert and biologically not available to most living organisms.