One thing scientists in the late 1700s could determine about the fossils they were finding were fossils in the upper layers were younger than fossils in lower layers. The correct answer is A.
<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>
<span>Carbonic acid formation
CO2(g) + H2O(l) ----> H2CO3(aq)
Dissolving of calcite
CaCO3(s) + H2CO3(aq) ----> Ca(HCO3)2(aq</span>
