Water is a necessary molecule that is consider as a universal solvent as it dissolves within it almost all other molecules. It is necessary for maintaining the concentration of water soluble biomolecules, vitamins, minerals in the body which are important for cellular metabolism, growth and functioning of the body.
Answer:Plate tectonics role on earths surface by creating mountains, valleys, canyons, volcanoes, earthquakes, basins and different rock formationslatformationse
The Amoeba Proteus example given in the question describing its engulfing smallar organism and digesting them is an example of a proces named "Phagocytosis". These cells are called phagocytes and the process can be used for both feeding purposes or defensive purposes by various cells. I hope this answer helps.
