Environmental Chemistry is a branch of science that deals with the transport, effects, origins, fates and reactions of the chemical species present in air, water, living and terrestrial environments. This article covers the basics and definitions of environmental chemistry.
The Pope is considered to be the Head of Vatican State, which is a sovereign and independent city-state. This study guide on the history of Papacy focuses on all the activities of Popes and their spiritual roles from the day Peter arrived. Read on to learn more about the history of Papacy.