One major advantage with the use of renewable energy is that as it is renewable it is therefore sustainable and so will never run out. Renewable energy facilities generally require less maintenance than traditional generators. Their fuel being derived from natural and available resources reduces the costs of operation.and alternative energy is a vital group too
I believe the correct answer is A. Diffusion happens continually until equilibrium is attained. It moves from a higher concentration to a lower concentration. The driving force of such process is the concentration gradient between two systems. In order to be in equilibrium, the concentration at any point of a mixture should be equal.
The second type of body fluid, the extracellular fluid, have two types: the interstitial fluid and the intravascular fluid. The interstitial fluid serves as a messenger for transferring materials to and from cells. While the intravascular fluid is responsible for being within the circulatory systems of the body, being am addition of 4% of the body's weight.