The last one...."One that is accepted by its people and other governments as the sovereign authority of a nation."
Answer:
Islamic law is a religious law forming part of the Islamic tradition. It is derived from the religious precepts of Islam, particularly the Quran and the Hadith.
<em>hope this helped! :)</em>
Astronomy- the study of space
geology- the study of rocks and minerals
oceanography- study of the oceans
meteorology- study of the atmosphere and weather.
