In a region with a low crude birthrate, a high crude death rate is most likely indicative of <em>a</em><em> </em><em>lack</em><em> </em><em>of</em><em> </em><em>food</em><em> </em><em>and</em><em> </em><em>water</em><em>.</em><em> </em>This is because without food and water, people can die, thus causing a high crude death rate. Food and water is necessary for survival.