Low dissolved oxygen concentrations that occur in many bodies of water when nutrients stimulate the growth of algae that subsequently die and are decomposed by oxygen-using bacteria.
<span>a. the region’s muslims received their medical care at the madrassas. b.the madrassas were the schools that taught the islamic religion. c. the madrassas applied islamic law for the muslim population. d. the region’s muslims bought islamic foods from the madrassas.</span>
A presidential system that is a constitutional, federal republic
