Life processes depend in large part on solutions. Oxygen from the lungs goes into solution in the blood plasma, unites chemically with the hemoglobin in the red blood cells, and is released to the body tissues. The products of digestion also are carried in solution to the different parts of the body. The ability of liquids to dissolve other fluids or solids has many practical applications. Chemists take advantage of differences in solubility to separate and purify materials and to carry out chemical analysis. Most chemical reactions occur in solution and are influenced by the solubilities of the reagents. Materials for chemical manufacturing equipment are selected to resist the solvent action of their contents.
This is more of an opinion based question. We can't really help you. Sorry
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In order to answer the question i need a story, picture, note, etc... to examine this sara character but you provided nothing but "What possible problems could Sara be experiencing?" Im sorry but you need to add more information about sara.
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