<span>A. the measure of the acidity or alkalinity of soil Alkalinity is the name given to the quantitative capacity of an aqueous solution to neutralize an acid.</span>
It seems that you have missed the necessary options to answer this question, but anyway here is the answer. Since the person spends several days in a hot, dry desert environment with little water available to drink, the kidneys' function during this time is that, the amount of urine produced is decreased in order to maintain the proper amount of water in the bloodstream. Hope this answer helps.
