Luminosity is the total energy that star produce in one second, depending on both the radius of the star and on its surface temperature. Thus, all the star's properties such as its temperature, size, brightness and life span is determined by its luminosity.
<span>Osmosis differs from the process of diffusion in that osmosis concerns only the movement of</span> water and is always the movement in the membrane. Diffusion does not need a membrane to make molecules and Diffusion is the movement of molecules.
If there is a problem to the availability and quality of water, the authorities should consult a hydrologist. This is because the problem has to do with water, and hydrologists keep track of exactly that problem, the quality and availability of water.
