Answer: Water as a universal solvent
Explanation:
Water is a universal solvent because of its property of dissolving a large number of molecules of different kind. The water at the biological level forms the major body weight of the organisms. It helps in supporting the cell metabolism and function. It is the main component of the liquid component of blood that is plasma. The water dissolved in it various vitamins, minerals, fibers, and other components of the food and helps in digestion of food in the body. Thus in human and animal body water plays an important role in circulation and digestion process.
Answer:
Ratio = 
Explanation:
Side of a cube, a = 20 µm

The surface area of a cube, A = 6a² (a is side of the cube)
The volume of a cube, V = a³
The ratio of the surface to volume ratio of the cell will be given by :

So, the ratio of the surface to volume ratio of the cell
.
Answer:
Ice Age Explanation. Fluctuations in the amount of insolation (incoming solar radiation) are the most likely cause of large-scale changes in Earth's climate during the Quaternary. In other words, variations in the intensity and timing of heat from the sun are the most likely cause of the glacial/interglacial cycles.
Explanation:
Explanation:
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